Commercial agricultural systems in the core are especially efficient in terms of food production per unit of
A) area.
B) labor.
C) fuel energy.
D) water.
E) both area and labor.
Ans: B) labor.
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After the separation of North America and Africa in the Mesozoic, the Appalachian region experienced block faulting
and igneous activity. a. True b. False
Industrial ecology is the study of laws which are designed to protect the health of human beings and their environment.
Answer the following statement true (T) or false (F)
How do glaciers acquire their load of sediment?
A) Sediments are deposited on glaciers by streams that flow into the glaciers. B) Sediments are plucked off the rocks at the base and sides of the glacier. C) Sediments are plowed up into the glacier by the front terminus of the glacier as it moves downhill. D) Sediments fall off the cliffs surrounding the glacier and move through crevasses to the base of the glacier. E) All of the answers describe major contributors to the glacial sediment load.
During the 21-27 May 2011 tornado outbreak, 160 people died in ________.
A. Manhattan, KS B. Piedmont, OK C. Joplin, MO D. Cape Girardeau, MO