A) Oxygen and nitrogen
B) Phosphorus and sulphur
C) Phosphorus and nitrogen
D) Phosphorus, zinc and mercury
Correct Answer: B
Solution :
[b] The movement of materials through the living and non-living components of the biosphere, or of any particular ecosystem, is called biogeochemical cycle or cycle of matter. In the sedimentary cycles, the reservoir for the elements is in the sediments of the earth. Elements such as phosphorus, sulphur, potassium and calcium, have sedimentary cycles.
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