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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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barry barry
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11 years ago
In developed countries, the most recent increases in agricultural productivity have come from ________.
A) irrigation in arid areas
B) clearing rainforests
C) new crop varieties and polyculture techniques
D) clearing grasslands and savannas
E) extensive drip irrigation use in farming
Textbook 
The Environment and You

The Environment and You


Edition: 2nd
Authors:
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saviosavio
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11 years ago
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Biology - The only science where multiplication and division mean the same thing.

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barry Author
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11 years ago
Thanks Sir
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