The term subsidence refers to ____.
A. failure of the groundwater supply
B. sinking of ground when groundwater has been withdrawn
C. living on very little money
D. intrusion of salt water into a freshwater aquifer
E. money paid by the government to farmers
Answer: B
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Which action is responsible for leaving the largest areas of topsoil unprotected and thus vulnerable to erosion?
A. agriculture B. flooding C. windstorms D. volcanoes
What best describes the natural growth rate in contemporary Europe?
A) fast growth in large nations such as Germany but slow growth in most smaller nations B) extensive population decline in every country C) there is a lack of natural growth as death rates exceed birth rates D) an extremely high rate of growth E) a moderate rate of growth
This term is used to describe clouds found in the middle height range.
cumulus stratus cirrus alto
Roches moutonnées form as a result of
A) abrasion on both the stoss (upstream) and lee (downstream) side of a rocky outcrop. B) ice plucking on both the stoss and lee side of a rocky outcrop. C) abrasion on the stoss side and ice plucking on the lee side of a rocky outcrop. D) ice plucking on the stoss side and abrasion on the lee side of a rocky outcrop. E) None of the above.