QQuestionEarth Science
QuestionEarth Science
"Which choice best describes the phosphorus cycle?
A. Movement of phosphorus between the atmosphere and land.
B. Movement of phosphorus in the atmosphere.
C. Movement of phosphorus between land, ocean, and living organisms."
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Answer
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Step 1: Identify the correct answer based on the description of the phosphorus cycle.
The phosphorus cycle involves the movement of phosphorus between land, ocean, and living organisms. Phosphorus is present in various forms, such as phosphate, in rocks, sediments, soil, water, and living organisms. It is released from rocks and sediments through weathering, making it available for uptake by plants. Animals consume plants or other animals to obtain phosphorus. When organisms die, their remains decompose, and phosphorus is returned to the soil, water, or atmosphere through various processes.
Step 2: Compare the options with the description of the phosphorus cycle.
A. Movement of phosphorus between the atmosphere and land - This is incorrect because phosphorus does not move between the atmosphere and land significantly. B. Movement of phosphorus in the atmosphere - This is also incorrect because phosphorus is not present in a gaseous state in the atmosphere, unlike carbon or nitrogen. C. Movement of phosphorus between land, ocean, and living organisms - This is the correct answer, as it accurately describes the phosphorus cycle.
Final Answer
Movement of phosphorus between land, ocean, and living organisms.
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