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UPSC 2021 › Environment & Ecology › Biogeochemical Cycles & Earth Systems

1 question · 2021 · answers as per the UPSC key

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UPSC 2021 · Q27 · Environment & Ecology › Biogeochemical Cycles & Earth Systems · Save

In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?

(a) Carbon cycle
(b) Nitrogen cycle
(c) Phosphorus cycle
(d) Sulphur cycle
Show answer
Answer: (c) Phosphorus cycle