Carbon Budget and Global Climate Change · NCERT Biology

Which component of the carbon cycle directly links ecosystems and climate?

  1. Nitrogen fixation by soil microbes
  2. Carbon fluxes between biosphere and atmosphere
  3. The hydrological water cycle
  4. Mineral weathering and erosion processes
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Correct answer: Carbon fluxes between biosphere and atmosphere

Carbon exchange between ecosystems and the atmosphere influences climate. Changes in these fluxes affect atmospheric CO2 levels.

Difficulty: Medium Question 19 of 20

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