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OpenStudy (anonymous):

Which is the most effective way to increase the oxygen content of air? A.increase current global forest cover by 10 percent B.reduce the growth of carbon emissions from the current 1.9 percent to 1 percent C.increase research on eco-friendly fules

OpenStudy (anonymous):

no

OpenStudy (anonymous):

whats the answer?

OpenStudy (anonymous):

never mind its a

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