Science, asked by maaan75, 1 year ago

why we need oxygen?

Answers

Answered by TheRachnaRohilla

As oxygen is the basic demand of every organism. Oxygen is necessary so that we can breathe and breakdown of food into energy can take place...

Hope this will help u mate..

maaan75: if your exm than go for prepration don't waste time ok fir milenge allah hafiz

maaan75: yes

maaan75: ok

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