Biology, asked by fatima656, 6 months ago

Briefly the oxygen cycle class 9(boitology)m​

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Answered by Anonymous
2

The oxygen cycle is the cycle that helps move oxygen through the three main regions of the Earth, the Atmosphere, the Biosphere, and the Lithosphere. The Biosphere is the sum of all the Earth's ecosystems. ... This also has some free oxygen produced from photosynthesis and other life processes.

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Answered by ezekielfelix
2

Answer:

for the living of plant and animals

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