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Biology 21 Online
OpenStudy (zairahernandez):

After population growth, what does the United Nations believe will be the greatest future global problem? a. lack of usable freshwater b. lack of arable land c. excessive levels of air pollution d. excessive water pollution THIS IS HARDD

OpenStudy (anonymous):

A

OpenStudy (anonymous):

B is food supply and they can always buy from other countries

OpenStudy (anonymous):

C, you can never get enough of it and pollution isnt a major problem since it is already dark there

OpenStudy (anonymous):

Water pollution? Ha, you guys got the thames river a little up north

OpenStudy (anonymous):

And you got the sea so it is A

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