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What did darwin conclude after finding clam fossils in the mountains?
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In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted
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The largest unit within which gene flow can readily occur is a
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Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective
Answers: 2
What did darwin conclude after finding clam fossils in the mountains?...
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