What is the best description of organisms of the precambrain era?
a.) land plants and...
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What is the difference between bacterial infections and viral infections?
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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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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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Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell
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