How to use Polar in a sentence

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Sentence Examples Jockey Daniel Howard is unseated when Polar Champ hesitates before jumping. Polar bears probably diverged from brown bear ancestors near the Arctic coast of Eurasia early in the Ice Age. Polar mutations change a sense codon for a specific amino acid within a gene into a nonsense or translational termination codon. She was able to tell us that we found a strange creature, aged millions of years, in the Polar ice cap. Polar bears are seagoing hunters that roam vast areas of the Arctic, pursuing a movable feast of seals, narwhals, beluga whales, and walruses. Polar bread, sometimes also called Swedish bread, is a round, soft flatbread with dimples. Polar bears have an acute sense of smell, and it is the most important sense for detecting prey on land. The Polar Race, which will last between 30 and 40 days, has been organised by two of Britain's leading modern day adventurers. About three-quarters of the total area is ice covered, forming polar deserts which extend over most of the Polar zone in the Southern Hemisphere. Polar bears denning in Norway and Russia near the North Pole carry some of the highest levels of toxic compounds ever found in living animals. You can also feel the ice-cold walls of the Polar Gallery and discover how global warming might affect where you live. Polar ice shelves are significant and widespread glaciological features in Antarctica. Polar Circle will arrange a non-diving day and take you round the local villages, teach you to ice-fish, take you skiing or on snowmobile trips. This reduces considerably the travel time and hassle for passengers since we operate over the Polar route. Electrons have a negative charge, and the two Polar Regions tend to attract them. Polar bears live in high-latitude environments characterized by cyclic variation in form and extent of sea ice. Polar bears are closely related to bears like the grizzly, but are considered marine mammals since they have adopted a marine lifestyle. Polar bears have a heavy stout body with strong muscular legs and well-developed neck muscles. To coincide with the International Polar Year, this year's theme is the Arctic and Antarctic, home of polar bears and penguins. Polar bears feed primarily on ringed seals and to a lesser degree on bearded seals and spotted seals. Show More Sentences Polar and grizzly bear, caribou, musk ox, Dall sheep, wolf, arctic fox, and more than 100 species of migratory birds use the land. In the March 2001 issue Sir Ranulph Fiennes, the Polar explorer, is Guest Editor and articles include a look at the plight of the albatross and Britain's sea coalers. Brian has concentrated on the ecological diversity of the region, with its rare flowers, walruses, Bowhead whales, bearded seals, Polar bears and sea birds. Locally, these floes are also known as the Permanent Polar Pack Ice. Led by accomplished Polar explorer Jim McNeill, the group will pull sledges weighing up to 250 lb for up to 10 hours a day 210 miles to the Magnetic Pole. I felt the warmth of the Arctic sun on a calm summer's day, the smooth hide of a newly skinned Harp seal, and the insulating fur of the Polar bear. This Santa is as fat and jolly as he needs to be, and really is a good guy, but he also has a regiment of armed-to-the-teeth elves to defend his high-tech Polar home. Among the Polar Eskimo of the Thule District, for example, the dog sled was the most important means of transportation, used up to ten months of the year. Polar mesospheric clouds are thin layers of nanometer-sized ice particles that occur at altitudes between 82 and 87 kilometers in the high-latitude summer. You and 53 other adventurers will stay aboard the Polar Pioneer, your floating base camp, where you'll have input in planning the ship's day-to-day itinerary. Both the Homolidae and the Homolodromiidae appear to have originated during the Jurassic in epicontinental Europe and had North Polar distributions early in their history. However, other cliffs on Baffin Island, such as Polar Sun Spire in the Sam Ford Fjord, or others in remote areas of Greenland may be higher. Exhibitors will include companies such as Fitbit, GeoPalz, Jaybird, Looxcie, Polar and Wahoo Fitness. Or how many Old Harrovians like Pen Hadow pull a sleigh to the North Pole to promote his Polar Travel Company. Most bizarrely, Polar Red was the next shortest in running behind the winner and Clan Royal. Polar aprotic solvents such as DMF, DMAc, and dimethylsulfoxide are typical spinning solvents for the production of PAN fibers. In 2005, the government of Nunavut increased the quota from 400 to 518 bears, despite protests from the IUCN Polar Bear Specialist Group. With dozens of jobs accompanying it an ice breaker ship dubbed as the Polar Star is arriving in Mare Island for repairs. Polar stations, of which five already existed in 1917, increased in number, providing meteorologic, ice reconnaissance, and radio facilities. It holds various events throughout the year, including as of 2017, a 1940s weekend and a Polar Express experience at Christmas. Show More Sentences Polar air masses develop over higher latitudes over the land or ocean, are very stable, and generally shallower than arctic air. For the first time, General Tours is also offering three packages that travel all the way to the Polar Circle or through the Weddell Sea. Polar bears live within the Arctic Circle and feed primarily on ringed seals. He will be joined in the main room by Futuristic Polar Bears, Tom Quinn, AVA and Kid Swarve. Polar bears are sometimes the host of arctic mites such as Alaskozetes antarcticus. Polar bears hunt their preferred food of seals from the edge of sea ice, often living off fat reserves when no sea ice is present. Polar stratospheric clouds, which drive ozone loss in Antarctica, turned up in force during the most recent Arctic winter. Polar molecules are soluble in polar solvents and nonpolar molecules are soluble in nonpolar solvents. Polar bears are able to produce water through the metabolism of fats found in seal blubber. Polar bears injured in fights or accidents may either die from their injuries or become unable to hunt effectively, leading to starvation. Log-Polar transform is to transform an image from Cartesian Coordinates to Polar coordinates first, then to Log coordinates. Polar bears sometimes have problems with various skin diseases that may be caused by mites or other parasites. At the top is the North Polar Cap, made of thawing water and carbon-dioxide-based ice. Polar bear fur consists of a layer of dense underfur and an outer layer of guard hairs, which appear white to tan but are actually transparent. Polar bears appear to be less affected by infectious diseases and parasites than most terrestrial mammals. Polar bears sometimes swim underwater to catch fish like the Arctic charr or the fourhorn sculpin. At the northernmost town of Hammerfest become a member of The Royal and Ancient Society of Polar Bears. Polar bears are usually quiet but do communicate with various sounds and vocalizations. Polar bears are stealth hunters, and the victim is often unaware of the bear's presence until the attack is underway. It's different when it's a cheeky meercat, a tiger, elephant or Polar bear. Show More Sentences Commercial airliner flights on the Polar routes may pass within viewing distance of the North Pole. At various times he was President of the American Polar Society, the Association of American Geographers and the Antarctican Society. Polar bears occasionally come over from Greenland, but they are just visitors, and no Icelandic populations exist. Polar bears occasionally visit the island, travelling on icebergs from Greenland. Notably the Polar bear, Ursus maritimus, reaches the southeast of Labrador on its annual migration. Also in 2016, the head of the Centre for Glaciology, Professor Bryn Hubbard, was awarded the Polar Medal. Research in the Arctic has long been a collaborative international effort, evidenced by the International Polar Year. Polar bears can be hunted for sport in Canada with a special permit and accompaniment by a local guide. Poland operates the Polish Polar Station at Hornsund, with ten permanent residents. Polar bears are the iconic symbol of Svalbard, and one of the main tourist attractions. Polar bear attacks on belugas and narwhals are usually successful in winter, but rarely inflict any damage in summer. In July, detective novels are featured in the Polar room at the Beach hosted by The Black Anchors. The South Polar Current then completes the gyre as the Southwestern Gondwana Current. Between the Atlantic and Polar waters, a front called the Polar Front is formed. Norwegian administration of the island is handled by the Polar Affairs Department of the Ministry of Justice and the Police, located in Oslo. Polar wander can be used to measure the degree to which Earth's magnetic poles have been observed to move relative to the Earth's rotation axis. It is the first of 22 Law Enforcement Torch Run Polar Plunges that will benefit Special Olympics Illinois in February and March around the state. Polar bears are the iconic symbol of Spitsbergen, and one of the main tourist attractions. Led Bib are a rockier kind of Polar Bear, but we could also make comparisons with New York combo Gutbucket. Land surveying and mapping are the responsibilities of the Polar Institute. Show More Sentences The Norwegian Polar Institute conducts annual expeditions to Bear Island, mostly concerned with ornithological research. The detailed information that my Polar heart rate monitor gives me is valuable in both training and competition. The mountains of the Polar Ural have exposed rock with sharp ridges, though flattened or rounded tops are also found. Polar bears are popular in fiction, particularly in books for children or teenagers. Polar bears exposed to oil spill conditions have been observed to lick the oil from their fur, leading to fatal kidney failure. Many of these rivers finish near Moosonee, and paddlers can take the Polar Bear Express train south to Cochrane at the end of a trip. Mick Channon provided the short-head winner of the six-furlong maiden auction stakes in Evanesce, who made every yard before holding the late flourish of Polar Dawn. Polar adventurer Conrad Dickinson, pictured, has suffered a major setback on his trek to the geographic North Pole, splitting one of his sledges on ice rubble. The Polar Adventure arena features king penguins, southern rockhopper penguins, gentoo penguins, pacific walruses, spotted seals, northern sea lions and snowy owls. Polar bears live within the Arctic Circle and eat a calorie-rich diet of ringed seals to survive the frozen conditions, and they hunt for their prey on frozen sea ice. Once Generation Three is completed, teleports will require future upgrades to support the Transformational Satellite and the Enhanced Polar System networks. This provided a prime opportunity for studying its North Polar Cap. Polar bears, otters, and fur seals have fur, one of the defining mammalian features, that is long, oily, and waterproof in order to trap air to provide insulation. A large portion of this area is part of the Polar Bear Provincial Park. There was significant damage reported on June 7, when a black-crowned night heron flew into the engine of Boeing 747-400 operated by Polar Air Cargo, officials said. Polar bears are therefore found primarily along the perimeter of the polar ice pack, rather than in the Polar Basin close to the North Pole where the density of seals is low. As early as the 16th century, many prominent people correctly believed that the North Pole was in a sea, which in the 19th century was called the Polynya or Open Polar Sea. York Rite has been largely consistent and could be up to winning a modest chase, but the rest make limited appeal and Polar Gunner looks the most likely. The major characters would relate tales of Father Christmas's battles against goblins who rode on bats and the various pranks committed by the North Polar Bear. In November 1978 the group recorded at Polar Studios in Stockholm, Sweden. Show More Sentences All ABS Series Wedges will feature Carbite's smooth sole design for reduced drag and Carbite's Polar Balanced technology which creates a bigger sweet spot. Polar bears are especially susceptible to Trichinella, a parasitic roundworm they contract through cannibalism, although infections are usually not fatal. Polar packs undergo a significant yearly cycling in surface extent, a natural process upon which depends the Arctic ecology, including the ocean's ecosystems. Even far to the north, the winters can be quite mild, though north of the Polar Circle the climate zone is Arctic with harsh winters and short summers. Polar bears gradually moult from May to August, but, unlike other Arctic mammals, they do not shed their coat for a darker shade to provide camouflage in summer conditions. In 2016, a glacier in the Antarctic was named the Glasser glacier, after Aberystwyth Geographer Professor Neil Glasser in recognition of his contribution to Polar Science. For example, The Polar Bear Son is adapted from a traditional Inuit tale. The Polar Geospatial Center uses geospatial and remote sensing technology to provide mapping services to American federally funded research teams. Polar bear population sizes and trends are difficult to estimate accurately because they occupy remote home ranges and exist at low population densities. Coast Guard's Polar Star icebreaker were drilling early Tuesday before leaving the former naval shipyard at Mare Island, across the bay from San Francisco. Polar bear were hunted heavily in Savalbard, Norway throughout the 19th century and to as recently as 1973, when the conservation treaty was signed. In this time of concern over the fate of the Arctic regions, Polar Bear, Arctic Hare illuminates the rich diversity of life that abounds in the far north. North South Polar employed the latest in GPR technology, a gradiometer, remote micro-camera technology and an innovative non-invasive hot water boring device. The Mi-8 aircraft operated by Polar Airlines caught fire after crashing in the Sakha region with 25 passengers and three crew on board, the Interstate Aviation Committee said. Polar bears have long provided important raw materials for Arctic peoples, including the Inuit, Yupik, Chukchi, Nenets, Russian Pomors and others. A polar vortex is a persistent, large-scale weather pattern, likened to a jet stream on Earth in the upper atmosphere. More than a century of conventional wisdom says that winter, when the ice is both hard and plentiful, is the best time to travel the polar pack. Together, the Pleistocene and Holocene make up the Quaternary period, marked by waxing and waning of polar glaciers. Come face to face with polar bears, walruses, harbour seals and beluga whales. At the mid-latitudes, the winds are called the westerlies, and at the highest latitudes, the winds are called the polar easterlies. Show More Sentences Already, smaller ice packs have reduced hunting grounds for polar bears, leaving some dangerously underweight. The large polar tents and camping gear would remain at the Lake Victoria campsite and be lifted out by helicopter later that season. So on my solo polar expeditions I have porridge, ground almonds, raisins and butter. Everyone seemed so happy, without a care in the world, polar opposite to the sadness, regret and fear raging inside him. I've resorted to thermal underwear, several layers of jerseys, winter stockings and a polar fleece jacket. A terrible storm melts the polar ice caps, unleashing a group of prehistoric creatures called aurochs. There are also caribou, wolves, walruses, polar bears and beluga whales. Since Francis seemed to be the polar opposite, they had every reason to hope the clampdown would be lifted. In colder climates, melting arctic plates has forced polar bears to abandon their ice floes for dry land hunting. Sykes suspects that the hairs come from either an unrecognized bear species, or an unknown hybrid of polar bear and brown bear. Thus, the polar bear's partly webbed feet may have come from a mutation which prevented the toes from dividing properly during its embryonic development. She and I are good friends even though we're polar opposites. It is also unlikely that he could have gotten the idea by encountering an ice island on the polar pack, even if he had actually travelled a long distance on it. These minute creatures are eaten by larger fish, and those by still larger fish, which in turn become lunch for polar bears, seals, walruses, and whales. The earliest recorded birth of polar bears in captivity was on 11 October 2011 in the Toronto Zoo. The Western Hudson Bay subpopulation is unusual in that its female polar bears sometimes wean their cubs at only one and a half years. In the wild, old polar bears eventually become too weak to catch food, and gradually starve to death. The polar bear is the apex predator within its range, and is a keystone species for the Arctic. The polar bear may swim underwater for up to three minutes to approach seals on shore or on ice floes. However, since polar bear fur has always played a marginal commercial role, data on the historical harvest is fragmentary. Show More Sentences Norway is the only country of the five in which all harvest of polar bears is banned. If a sport hunter does not kill a polar bear before his or her permit expires, the permit cannot be transferred to another hunter. In August 2011, Environment Canada published a national polar bear conservation strategy. Despite this, the polar bear population continued to decline and by 1973, only around 1000 bears were left in Savalbard. In 2010, the Ministry of Natural Resources and Environment published a strategy for polar bear conservation in Russia. The Marine Mammal Protection Act of 1972 afforded polar bears some protection in the United States. According to the World Wildlife Fund, the polar bear is important as an indicator of Arctic ecosystem health. Thinner sea ice tends to deform more easily, which appears to make it more difficult for polar bears to access seals. It has been claimed that polar bears will be able to adapt to terrestrial food sources as the sea ice they use to hunt seals disappears. For the indigenous peoples of the Arctic, polar bears have long played an important cultural and material role. These legends reveal a deep respect for the polar bear, which is portrayed as both spiritually powerful and closely akin to humans. The skulls of killed polar bears were buried at sacred sites, and altars, called sedyangi, were constructed out of the skulls. Vehicle license plates in the Northwest Territories and Nunavut in Canada are in the shape of a polar bear. The animated television series Noah's Island features a polar bear named Noah as the protagonist. The television series Lost features polar bears living on the tropical island setting. The polar night lasts from 8 November until 3 February, and the period of midnight sun from 2 May until 11 August. Despite its name, Bear Island is not a permanent residence of polar bears, although many arrive with the expanding pack ice in the winter. The flora benefits from the long period of midnight sun, which compensates for the polar night. Svalbard is a breeding ground for many seabirds, and also supports polar bears, reindeer and marine mammals. Spitsbergen shares a common polar bear population with the rest of Svalbard and Franz Joseph Land. Show More Sentences They scavenge on carcasses left by larger predators such as wolves and polar bears, and in times of scarcity even eat their feces. The polar forests are low and are mixed with swamps, lichens, bogs and shrubs. This type of ship was in wide use during the heyday of Russian polar navigation in the 15th and 16th centuries. Other marine mammals include walrus, Steller sea lion, northern fur seal, orca and polar bear. In the 18th century, the Anadyr was described by the polar explorer Dmitry Laptev. Elevations around the world that have cold climates similar to those of the polar regions have been called Alpine. Like the alpine tree lines shown above, polar tree lines are heavily influenced by local variables such as aspect of slope and degree of shelter. From the 1880s to the 1920s, Norwegians such as Roald Amundsen and Fridtjof Nansen carried out a series of important polar expeditions. From the 1880s to the 1920s, Norwegians carried out a series of polar expeditions. Colder air masses are termed polar or arctic, while warmer air masses are deemed tropical. Continental polar air masses that affect North America form over interior Canada. After all, to go into outer space is not so much worse, if at all, than a polar expedition. After the burly macho nudists' polar bear dip, their tails were spectacularly shrunk, so they looked like an immature kid's innocent tail. Retreating before stronger breeds, hungry and voracious, the Eskimo has drifted to the inhospitable polar regions. It therefore appears that the alienation results from an absolutisation of the polar duality into ontological dualism. This is not an albino or a polar bear, but a rare, North American black bear. This homogeneity is due to the fact that the biodiesel can act as an amphiphile and form micelles that have nonpolar tails and polar heads. Met Eireann said Ireland's terrible summer is a result of the polar jet stream travelling further south this year. Further poly chains on grafted fiber is more solvolysed by nonpolar solvent then polar aprotic solvent as compared to water or alcohol. These polyamides were found to be highly soluble in polar aprotic solvents. Show More Sentences These climates are dominated all year round by the polar front, leading to changeable, often overcast weather. The UPS system is used for the polar regions, which are not covered by the UTM system. Suppose that, initially, the barley-sugar aerials are twisted in such a sense that the polar diagram of each has its maximum north of the zenith. Maximum temperatures occur north of the equator, and minimum values are found in the polar regions. Fig. 5 shows a polar representation of 5880 rotations generated by subsampling the hexacosichoron. This results when cold polar maritime air that has travelled over a large expanse of warmer ocean is forced to rise over high country. The largest predator on land is the polar bear, while the brown bear is the largest predator on the Norwegian mainland. Paleoclimatic studies and evidence of glaciers indicate that central Africa was most likely in the polar regions during the early Paleozoic. In geography, temperate or tepid latitudes of Earth lie between the tropics and the polar regions. The polar jet stream, which moves in a west to east direction across the middle latitudes, advancing low pressure systems, storms, and fronts. Areas with subpolar oceanic climates feature an oceanic climate but are usually located closer to polar regions. The south polar latitudes below the Antarctic Circle are in daylight, whilst the north polar latitudes above the Arctic Circle are in night. Spherical polar coordinate systems are used in the analysis of the gravity field. For polar questions, exclamations and wishes, the finite verb always has the first position. In the second half of the 19th century, Realism was offered as a polar opposite to Romanticism. In contrast, both otters and the polar bear are much less adapted to aquatic living. The midi skirt, which you would imagine to be an almost polar opposite look to black trousers, has unexpectedly edged them out of my wardrobe. In addition, polar bears may be found on Svalbard, a Norwegian archipelago far north of Scandinavia. In a paper published in 1832, Bernhardi speculated about former polar ice caps reaching as far as the temperate zones of the globe. The seas were relatively warm, and polar ice was absent for much of the period. Show More Sentences There were likely polar ice caps and a series of glaciations, as the planet was still recovering from an earlier Snowball Earth. Northern Labrador's climate is classified as polar, while Southern Labrador's climate is classified as subarctic. A small amount of dense bottom water also forms in the northern polar ocean. The cold climate of the alpine tundra is caused by the low air temperatures, and is similar to polar climate. Tundra climates as a rule are hostile to woody vegetation even where the winters are comparatively mild by polar standards, as in Iceland. The same adaptation can be found in some modern people living in the polar regions. Throughout the year, the westerlies vary in strength with the polar cyclone. These western ocean currents transport warm, tropical water polewards toward the polar regions. Porpoises are not very widespread, with many specialising near the polar regions, usually near the coast. Freshwater mussels inhabit permanent lakes, rivers, canals and streams throughout the world except in the polar regions. Warmer oceans, particularly warmer polar regions, have in the past been shown to have had substantially lower diatom diversity. These droplets may take up over half of the volume of their bodies in polar species. The polar bear is also a predator, though it prefers to hunt for marine life from the ice. This is the dominant guild in polar and subpolar environments, as it is energetically inefficient in warmer waters. It is found in all the world's major oceans and in waters ranging from the polar to the tropical. Sei whales live in all oceans, although rarely in polar or tropical waters. Due to the fact they are not fully adapted to Arctic conditions, they are more vulnerable to predators, most notably polar bears. Living pinnipeds mainly inhabit polar and subpolar regions, particularly the North Atlantic, the North Pacific and the Southern Ocean. The polar bear is well adapted for hunting Arctic seals and walruses, particularly pups. Antarctic seals are more vocal on land or ice than Arctic seals due to a lack of terrestrial and pagophliic predators like the polar bear. Show More Sentences Species that live in polar habitats are vulnerable to the effects of recent and ongoing climate change, particularly declines in sea ice. Migratory species' reproductive sites often lie in the tropics and their feeding grounds in polar regions. They include animals such as seals, whales, manatees, sea otters and polar bears. The evolutionary pressure of polar bear predation on seals probably accounts for some significant differences between Arctic and Antarctic seals. The Arctic food chain would be disrupted by the near extinction or migration of polar bears. The flora take advantage of the long period of midnight sun to compensate for the polar night. Svalbard is a breeding ground for many seabirds, and also features polar bears, reindeer, the Arctic fox, and certain marine mammals. Since Svalbard is located north of the Arctic Circle it experiences midnight sun in summer and polar night in winter. In Longyearbyen, midnight sun lasts from 20 April until 23 August, and polar night lasts from 26 October to 15 February. There are fifteen to twenty types of marine mammals, including whales, dolphins, seals, walruses, and polar bears. Svalbard and Franz Joseph Land share a common population of 3,000 polar bears, with Kong Karls Land being the most important breeding ground. Ocean currents greatly affect Earth's climate by transferring heat from the tropics to the polar regions. It plays an important role in supplying heat to the polar regions, and thus in sea ice regulation. If precipitation exceeds evaporation, as is the case in polar and temperate regions, salinity will be lower. Thus, oceanic waters in polar regions have lower salinity content than oceanic waters in temperate and tropical regions. It covers millions of square miles in the polar regions, varying with the seasons. In July 2016 scientists published evidence of increased cloud cover over polar regions, as predicted by climate models. Equatorial waters flowed into the polar regions, warming them with water from the more temperate latitudes. This effect is strongest in tropical zones, with an amplitude of a few millibars, and almost zero in polar areas. First, shrinking land ice, such as mountain glaciers and polar ice sheets, is releasing water into the oceans. Show More Sentences Britain was no more than a peninsula of Europe, its north capped in ice, and its south a polar desert. Bearded seals, along with ringed seals, are a major food source for polar bears. Natural predators of the bearded seal include polar bears, who rely on these seals as a major food source. Ringed seals are one of the primary prey of polar bears and have long been a component of the diet of indigenous people of the Arctic. Both the orca and the polar bear are also most likely to prey on walrus calves. However, even an injured walrus is a formidable opponent for a polar bear, and direct attacks are rare. Some whales, such as the humpback, reside in the polar regions where they feed on a reliable source of schooling fish and krill. Presented in a polar coordinate grid, the wind rose shows the frequency of winds blowing from particular directions. Pytheas is the first known scientific visitor and reporter of the Arctic, polar ice, and the Germanic tribes. As well as the exact number of overall brown bear subspecies, its precise relationship to the polar bear also remains in debate. Under some definitions, the brown bear can be construed as the paraspecies for the polar bear. The teeth are reliably larger than American black bears but average smaller in molar length than polar bears. There has been a recent increase in interactions between brown bears and polar bears, theorized to be caused by climate change. Brown bears have been seen moving increasingly northward into territories formerly claimed by polar bears. The sea breaks upon this coast against a palisadoed fence of rocks and cliffs, around which swarm flocks of polar birds with cries and screams. They have a worldwide distribution except for Australia and the polar regions. The majority of Earth's polar regions are covered in ice, including the Antarctic ice sheet and the sea ice of the Arctic ice pack. This polar motion has multiple, cyclical components, which collectively are termed quasiperiodic motion. Water is a good polar solvent, that dissolves many salts and hydrophilic organic molecules such as sugars and simple alcohols such as ethanol. For much of European history, the north polar regions remained largely unexplored and their geography conjectural. Show More Sentences As a result of continued warming, the polar ice caps melted and much of Gondwana became a desert. At the edge of the continent, strong katabatic winds off the polar plateau often blow at storm force. As exploration ignited both popular and scientific interest in the polar regions and Africa, so too did the mysteries of the unexplored oceans. The polar ice cap of the Carboniferous Period covered the southern end of Pangaea. Paleomagnetic study of apparent polar wandering paths also support the theory of a supercontinent. Mosses, lichens, and scanty bushes around the coasts serve as food to the deer and musk oxen, which in turn are hunted by the polar bear. The zooplankton feeders include young cod, capelin, polar cod, whales, and little auk. There is a genetically distinct polar bear population associated with the Barents Sea. The descent took place in two MIR submersibles and was led by Soviet and Russian polar explorer Artur Chilingarov. When the sun is visible in the polar sky, it appears to move in a horizontal circle above the horizon. The magnetic banding directly corresponds with the Earth's polar reversals. The banding furnishes a map in time and space of both spreading rate and polar reversals. Satellite study of sea ice began in 1979, and became a much more reliable measure of ice melt and polar climate change. The summer minimum Arctic ice extent for 2010 was the third lowest over the period of satellite observations of the polar ice. A decline of seasonal sea ice puts the survival of Arctic species such as ringed seals and polar bears at risk. As a result, the polar regions are the most susceptible places to climate change on the planet. Their findings suggested that precipitation increases in the high northern latitudes, and polar ice melts as a consequence. The winds over Antarctica are called the polar easterlies where winds blow from the east to the west. Thus far, this possible superchron has only been found in the Moyero river section north of the polar circle in Siberia. During the intervening periods, the poles appear to have conformed to a unified apparent polar wander path. Show More Sentences This technique is also used by the polar bear, who hunts by seeking holes in the ice and waiting nearby. Yearlong they assisted with hunting by sniffing out seals' holes and pestering polar bears. These climates are in the polar front region in winter, and thus have moderate temperatures and changeable, rainy weather. Their concentrations in polar bear tissues continued to rise for decades after being banned as these chemicals spread through the food chain. The white, pigmentless fur of arctic mammals, such as the polar bear, may reflect more solar radiation directly onto the skin. Both the strip of land along the shore of the Arctic Ocean and the Russian Arctic islands have a polar climate. The astronomical position calculated from an ephemeris is given in the spherical polar coordinate system of right ascension and declination. Northern Labrador is classified as a polar tundra climate, southern Labrador has a subarctic climate. Ringed seals are common elsewhere along James Bay and polar bears can be seen targeting the seals for prey. The climate varies between polar and moderate continental with frequent fogs and clouds. Proving successful at hunting, the group caught 26 Arctic foxes in primitive traps, as well as killing a number of polar bears. Although most polar bears are born on land, they spend most of their time on the sea ice. Because of their dependence on the sea ice, polar bears are classified as marine mammals. The polar bear was previously considered to be in its own genus, Thalarctos. Fossils show that between 10,000 and 20,000 years ago, the polar bear's molar teeth changed significantly from those of the brown bear. The mtDNA of extinct Irish brown bears is particularly close to polar bears. The polar bear is found in the Arctic Circle and adjacent land masses as far south as Newfoundland. The polar bear is a marine mammal because it spends many months of the year at sea. Seals migrate in response to these changes, and polar bears must follow their prey. The only other bear of a similar size to the polar bear is the Kodiak bear, which is a subspecies of brown bear. Find more words! 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