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Biology, 21.06.2019 21:30, irishdreamer0689
List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.
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Biology, 22.06.2019 01:30, mistiehaas
Compare the composition of the moon's surface with the composition of the earth's surface.
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Biology, 22.06.2019 05:00, cortneykeeler
Explain how organisms could be harmed by high levels of salt from roadways?
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Biology, 22.06.2019 06:00, charnaetoney13
Explain why ecosystem diversity results in species diversity in a healthy biosphere
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List the periods in which there were mass extinctions, and if possible explain why they occurred...
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