1.

Animals and plants are using up oxygen all the time. why does the amount of oxygen in the atmosphere not go down

Answer»

and plants are using up oxygen all the time but the  oxygen in the atmosphere does not go down because the plants TAKE carbon dioxide and give oxygen during the day while in the night it reverses it TAKES oxygen and gives co2  TRUE FACTS:1 TREE and produce enough O2 to 4 people



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