All but which of the following are true of commercial agriculture compared to subsistence agriculture?
A) low percentage of farmers in the labor force
B) farm size
C) heavy use of machinery
D) output consumed on the farm
E) surplus production
Answer: D
Environmental & Atmospheric Sciences
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a. true b. false
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The 1987 UN Commission on Sustainability first introduced the concept of ________ as a necessary focus for maintaining sustainability
A) human population growth B) human well-being C) environmental sustainability D) cultural services E) renewable energy
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a. true b. false
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