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Biology, 21.06.2019 17:30
Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?
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Biology, 21.06.2019 21:00
If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?
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Biology, 22.06.2019 01:20
Look at the photo of the leaf. which term best describes this leaf?
Answers: 2
Explain how the reduction in biodiversity can affect the ecological balance in the dam...
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