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Type: Multiple-Choice
Category: Biogeochemical Cycles
Level: Grade 7
Score: 1
Tags: carbon cycle
Author: Occulus
Last Modified: a month ago

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Biogeochemical Cycles Question

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Grade 7 Biogeochemical Cycles

How does carbon dioxide in the atmosphere enter into living organisms?
  1. burning of forests
  2. combustion of fossil fuels
  3. photosynthesis
  4. transpiration
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