What does the term mining mean in the context of groundwater resources?
a. refers to hand dug vertical water wells
b. refers to horizontal mine shafts excavated to tap water from the interior of a mountain
c. refers to separating out minerals from groundwater by chemical solution
d. refers to the situation where water is taken out of the ground faster than it is replaced
e. refers to quanats in the Middle East
D
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If an unsaturated air parcel with a temperature of 20oC rises, forms a non-precipitating cloud, then returns to its original altitude,
A) the parcel's final temperature will be less than 20 oC B) the parcel's final temperature will be exactly 20 oC C) the parcel's final temperature will be greater than 20 oC
________ soils in the United States typically have thick, dark, organic-rich A horizons
A) Forest B) Rainforest C) Grassland D) Desert E) Wetland
Ridges of alluvium left along a stream's margins by repeated deposition during floods are called ____________________
Fill in the blank(s) with correct word
A steep-sided amphitheater at the head of a glacially eroded valley is called a
A) roche moutonee. B) horn. C) tarn. D) cirque.