Science, asked by Aditichavda, 1 year ago

definition on oxygen cycle:​

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Answered by chaitanya6153
2

Answer:

it is the second major gas in volume which makes up about 21 % of the air

Answered by Bhushan124
0

Answer:Oxygen forms 21% of rhe atmosphere . It is also present in the hydrosphere and lithosphere. Circulation and recycling of oxygen within the biosphere is called the oxygen cycle

Explanation:

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