Which technique is an example of a low-tech method that may be used to conserve water in developing countries?
A. drip irrigation
B. planting deep-rooted perennial crop varieties
C. low-energy, precision application sprinkler
D. center-pivot sprinkler
E. flood irrigation
Answer: B
Environmental & Atmospheric Sciences
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Episodes of coral bleaching have become more frequent and more severe in the last 20 years.
Answer the following statement true (T) or false (F)
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A normal fault results in crustal shortening.
Answer the following statement true (T) or false (F)
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The northern regime in East Asia is:
A) subhumid B) humid C) semiarid D) temperate E) none of the above
Environmental & Atmospheric Sciences