Question

what is oxygen cycle ?
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# kaise ho sab ? ​

Answer 1

Answer:$| \Oxygen_cycle \ |$

Oxygen cycle, circulation of oxygen in various forms through nature. ... Free in the air and dissolved in water, oxygen is second only to nitrogen in abundance among uncombined elements in the atmosphere. Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2).

Answer 2

Mai vadia si

tussi kive ho ?

Explanation:

Oxygen cycle , circulation of oxygen in various forms through nature . Free in the air and dissolved in water and oxygen is second only to nitrogen in abundance among uncombined elements in the atmosphere . Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide .