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The width of the pyramid at each trophic level represents the number of organisms at that level. True or False?
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What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
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Are the layers of rock above and below the coal older or younger?
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Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what
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The width of the pyramid at each trophic level represents the number of organisms at that level. Tru...
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