Author: gmatmachoman Subject: I bet U miss CR Posted: Sat Oct 31, 2009 7:26 am (GMT -7) Amphibian populations are declining in numbers worldwide. Not coincidentally, the earth’s ozone layer has been continuously depleted throughout the last 50 years. Atmospheric ozone blocks UV-B, a type of ultraviolet radiation that is continuously produced by the sun, and which can damage genes.

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Critical Reasoning :: I bet U miss CR