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Biology, 23.09.2019 09:30 bullockarwen

What is the purpose of the biogeochemical cycles?
a-to cycle energy through a food chain
b-to recycle matter through the biosphere
c-to recycle rocks through the layers of earth
d-to cycle nutrients through the human body

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What is the purpose of the biogeochemical cycles?
a-to cycle energy through a food chain
...

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