The only uncertainty attending the success of coal mining in the coal measure area, is in the variableness of the deposit. |
This produced the variableness and selectivity governed up to our days by the dynamics of natural laws. |
In the spring of 1853 he suffered much from the variableness of the season. |
He was quite unconscious of the variableness that taxed her how to meet it. |
Remembering then, the variableness of our climate, I candidly admit that I consider any precise directions of very little value. |
The variableness of possible partners only serves to increase the risk of sexual activity. |