The overpumping of the Ogallala Aquifer is a problem for ____.
A. drinking water availability in Las Vegas
B. the future of agriculture in the Great Plains
C. agriculture in California's Central Valley
D. flow in the Colorado River delta
E. the Aral Sea ecosystem
Answer: B
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For light, a red shift indicates the light source moves
A) toward you. B) away from you. C) at right angles to you. D) actually, all of the above E) none of the above
Which of the following is a correct statement about soil structure?
A. The particle size of the parent material determines the soil's ability to hold water and air. B. Soil organisms decrease the pore space in soils. C. Soils with high amounts of clay are highly friable. D. Sandy soils hold water.
The normal lapse rate applies to the:
A) troposphere. B) thermosphere. C) stratosphere. D) mesosphere.
A "paradox of plenty" or __________ __________,occurs when a countrywith an abundance of natural and valuable resources often experiences lower economic growth than a country without these resources
Fill in the blank(s) with correct word