23
QuizMultiple Choice

The Cycles of Matter

Question 23 • OK-Environmental Science A

Which of the following does not cycle into the atmosphere?

Answer
A
the carbon cycle
B
the phosphorus cycle
C
the nitrogen cycle
D
the oxygen cycle

Explanation

The phosphorus cycle does not have a significant atmospheric phase. Phosphorus mainly cycles through rocks, soil, water, and living organisms, often moving slowly through weathering and sedimentation. Carbon, nitrogen, and oxygen all cycle through the atmosphere, so “the phosphorus cycle” is the best answer.

AI-written and checked against the verified answer.

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