A geologist is looking at deposits along a river below a large volcano. She finds large boulders mixed with sand and mud, and all of the material is comprised of volcanic rocks, particularly the mud which is volcanic ash
She quickly realizes these deposits represent an ancient ________.
A) lahar B) earthflow C) rock avalanche D) slump
A
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Which of the water columns would experience the greatest temperature differences with depth?
A) A
B) B
C) C
Food security has to do with
A. A country's dependence on cash crop exports. B. Preventing wars over diminishing food supplies. C. The total volume of food a country imports. D. The total volume of aid a country receives. E. The ability of a population to obtain food on a day-to-day basis.
How can the IPAT model be used to predict changes caused by continued growth in China?
A. If China continues to use harmful technologies its environmental impacts will increase. B. The IPAT model predicts that China's military might will grow sharply. C. The IPAT model predicts that China's environmental impacts will dramatically decrease. D. As China's population increases, the share of resources it consumes will decrease.
Of the climatic factors, ________ is usually the most limited in its impact on biotic distributions
A) light B) moisture C) temperature D) photoperiodism E) wind