Which of the Following Statements About Biogeochemical Cycling Is Correct

question 83

Multiple Choice

Which of the following statements about biogeochemical cycling is correct?

• A) The phosphorus cycle involves the recycling of atmospheric phosphorus.
• B) The phosphorus cycle involves the weathering of rocks.
• C) The carbon cycle is a localized cycle that primarily involves the burning of fossil fuels.
• D) The carbon cycle has maintained a constant atmospheric concentration of CO₂ for the past million years.
• E) The nitrogen cycle involves movement of diatomic nitrogen between the biotic and abiotic components of the ecosystem.

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