Multiple Choice
Humans have dramatically altered the rate of nitrogen fixation into forms usable by autotrophs _______________
A) because of the erosion of farmlands through poor agricultural practices
B) by selectively removing leguminous plants
C) by using antibiotics to reduce the numbers of denitrifying bacteria
D) due to the burning of fossil fuels to meet our energy needs
E) by producing synthetic fertilizers and applying them to crops, lawns, and parks
Correct Answer:
Verified
Correct Answer:
Verified
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