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100 points. biology semester test. choices in photo. greatly appreciated : )
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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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_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous
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Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear
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The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the
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100 points. biology semester test. choices in photo. greatly appreciated : )...
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