How many units of energy are required to produce one unit of grain-fed beef?
a. One
b. 10
c. 15
d. 25
e. 35
E
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A) push and pull factors. B) natural disasters. C) forced relocation. D) the environment.
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What will be an ideal response?
The doldrums are found ________.
A. at 30°N and S B. between the trade winds and the westerlies C. between the northeast trade winds and the southeast trade winds D. at 60°N and S E. around the poles
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A. The total amount of energy released by the sun B. The energy retentive ability of gases C. The incoming solar radiation D. The outgoing infrared energy E. The heat reflectivity of clouds