Some ecologists say that it makes the least sense to use crop residues as
a. fuel for energy
b. food for animals
c. a way to retard erosion
d. a fertilizer
e. building material
Answer: A
Some ecologists say that it makes the least sense to use crop residues as
a. fuel for energy
b. food for animals
c. a way to retard erosion
d. a fertilizer
e. building material
Answer: A
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