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Biology 9 Online
OpenStudy (anonymous):

helppp pleaseeee!!!!!!! the greenhouse effect is A) something that has only occurred for the last 50 years B) a natural phenomenon that maintains Earth's temperature range C) the result of the differences in the angle of the sun's rays D) an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

OpenStudy (anonymous):

@texaschic101

OpenStudy (ramirocruzo):

B) A natural phenomenon that maintains Earth's temperature range, it involves trapping of sun's radiations to maintain the temp....... Global Warming is just a side-effect......

OpenStudy (anonymous):

Yep its B

OpenStudy (anonymous):

D

OpenStudy (anonymous):

D) an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere This is what causes global warming

OpenStudy (anonymous):

medals?

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