Phosphorus cycle is in the form of
A. HPO3
B. P2 (a gas)
C. PO4-3
D. AlPO4
Answer: Option C
Solution(By Examveda Team)
Phosphorus cycle is in the form of PO4-3.The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere and biosphere.
Phosphorus occurs most abundantly in nature as part of the orthophosphate ion (PO4)-3, consisting of a P atom and 4 oxygen atoms. Orthophosphate (PO4-3), the dominant inorganic P species in nature, is oxidation state (P5+), certain microorganisms can use phosphonate and phosphite (P3+ oxidation state) as a P source by oxidizing it to orthophosphate.
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