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Type: Multiple-Choice
Category: Biogeochemical Cycles
Level: Grade 7
Score: 1
Tags: carbon oxygen biogeochemical
Author: Occulus
Last Modified: 6 days ago

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Biogeochemical Cycles Question

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Grade 7 Biogeochemical Cycles

Which two cycles depend on photosynthesis for part of the recycling process?
  1. carbon and oxygen
  2. water and nitrogen
  3. water and oxygen
  4. carbon and nitrogen
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