In the United States, desertification

A. is not a concern because few people live in the areas at risk.
B. can be avoided by more extensive use of ground water.
C. is not a concern, because we have few deserts.
D. may affect broad areas of the Sun Belt and plains states.


Answer: D

Environmental & Atmospheric Sciences

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The ____ comprise the highest percent of ocean area, but contain the lowest percent sediment volume

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