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The existence of discrete (quantized) energy levels in an atom may be inferred from
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Why doesn't heat added to water make the tempature rise above 100c
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The biosphere of the earth is made up of what compound? organic or inorganic?
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The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
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