Ecosystems · Botany

In the carbon cycle, which process removes carbon dioxide from the atmosphere?

  1. Combustion
  2. Respiration
  3. Photosynthesis
  4. Decomposition
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Correct answer: Photosynthesis

Photosynthesis is the primary biological process that absorbs atmospheric CO2. Plants and algae use the carbon to build glucose, effectively sequestering it from the air.

Difficulty: Medium Question 12 of 20

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