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Which is a reason for the rise of nitrate levels in ground water? A) overuse of fertilizers Eliminate B) ammonification by animals C) soil erosion at grasslands D) nitrogen fixation by Azotobacter
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Dec 7, 2018
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Which is a reason for the rise of nitrate levels in ground water? A) overuse of fertilizers Eliminate B) ammonification by animals C) soil erosion at grasslands D) nitrogen fixation by Azotobacter
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the correct answer is A
Joruro
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Dec 13, 2018
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