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Type: Multiple-Choice
Category: Biogeochemical Cycles
Level: Grade 9
Score: 1
Author: atc763
Last Modified: a month ago

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Biogeochemical Cycles Question

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Grade 9 Biogeochemical Cycles

Bacteria turn atmospheric nitrogen into a form of nitrogen usable by plants through the process of                  .
  1. bacteria fixation
  2. nitrogen fixation
  3. denitrogenation
  4. nitrogenation
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