Which of the following statement(s) is/are correct about biogeochemical cycle?
(i) Gaseous exchanges of phosphorus between organism and environment are negligible
(ii) All biogeochemical cycles include both organisms and non-living components.
(iii) Most elements remain longest in the living portion of their cycle.
(iv) The chemical elements used by organisms in large quantities cycle back and forth between organisms and environment.
Text Solution
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Phosphorus has negligible gaseous exchange, biogeochemical cycles involve living and non-living components, and essential elements move between organisms and environment. Most elements remain longest in reservoirs like soil, rocks, or water, not in living organisms.
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