7. a sample of soil is determined to have a specific gravity (gs) of 2.66, void ratio (e) of 0.59, and moisture content (w) of 17%. find total unit weight, ytotal, and dry unit weight, yd. (15 points)

Which objects allow humans to access groundwater? check all that apply.

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland