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Which best describes how johannes kepler developed his laws of planetary motion
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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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Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.
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Why on earth is the sky blue?!?!?...
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