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Type: Multiple-Choice
Category: Biogeochemical Cycles
Level: Grade 7
Tags: nitrogen cycle
Author: Occulus
Last Modified: 3 years ago

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Biogeochemical Cycles Question

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Grade 7 Biogeochemical Cycles

Which type of organisms carries out most nitrogen fixation?
  1. insects
  2. plants
  3. bacteria
  4. mammals
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