describe the use of uses of oxygen point wise
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. it is necessary for the body
. it is inhale by us
. without it we can't leave
.
. it is inhale by us
. without it we can't leave
.
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it is so important for all living beings to survive. oxygen present in our atmosphere in 21℅ . it can be release by plant during photosynthesis of plant for their food . may be help u
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