if there is no tree than how we will exhale
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We will have to problem in exhaling, but the supply of required oxygen will be reduced.
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if there would be no trees then we wouldnt be able to inhale oxygen because we will die trees r imp. sources of oxygen which is life supporting gas
khushi475:
then how trees Will exhale
Oxygen
wht??
we r mattered only of getting oxygen
ur question is wrong
hi
o.k.
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