How do Earth's crust and mantle differ?
A. The crust is thinner and less dense
B. The crust i...
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Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .
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The importance of the mind as a part of the body is an example of:
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What will happen if two of the base pairs of the stand of the dna are switched
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Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.
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