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Anonymous Posted 10 years ago
Grammar

Is/are

"The only main thing taking Nitrogen out of the soil is/are grass roots
  

Top answer

The main extractor of nitrogen from the soil is grass roots.

— Mister Micawber

  • The main extractor of nitrogen from the soil is grass roots.
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2 Answers
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The main extractor of nitrogen from the soil is grass roots.
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AnonymousThe only main thing
"only" means there is only one thing.
"main" means the most important thing, usually when there are several things.

You can't have both.

CJ
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