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How are humans disrupting the nitrogen cycle? A) sewage runoff B) excess fertilizer C) the use of fossil fuels D) all of the above
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Feb 8, 2018
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How are humans disrupting the nitrogen cycle?
A) sewage runoff
B) excess fertilizer
C) the use of fossil fuels
D) all of the above
Biology
middle-school
Iskorum
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the answer is c
i hope this helps ^-^
Addohm
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Feb 12, 2018
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Addohm
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