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Biology 20 Online
OpenStudy (anonymous):

Which of the following poses the greatest risk for species extinction?

OpenStudy (anonymous):

a. expansion of human cities b. increased levels of pollution c. intense hurricane activity d. UV radiation and the hole in the ozone layer

OpenStudy (rose21):

increased levels of pollution

OpenStudy (anonymous):

yh........i agree with rose21..........its increased levels of pollution :)

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