Desertification is
A) expansion of the desert due to the seasonal changes in precipitation.
B) expansion of the desert due to human degradation of the environment.
C) expansion of the desert due to loss of biodiversity.
D) desert belts that extend across the north of the continent.
E) removal of vegetative cover from tropical environments.
B) expansion of the desert due to human degradation of the environment.
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True or False: Geologic topics impact virtually every aspect of our daily lives, including such diverse issues as the economy, environmental health, and climate
Indicate whether this statement is true or false.
Why is mercury released from coal a problem?
What will be an ideal response?
In the Gobi Desert of China, the loess deposits are ____ thick
a. 10-20 centimeters b. 4-5 meters c. 15-20 meters d. 30-90 meters
A pioneer in restoration ecology who planted as many as 6,000 trees every year was
A. Theodore Roosevelt B. Aldo Leopold C. Eli Whitney D. John Wesley Powell E. Gifford Pinchot