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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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What causes most sediment to wash or fall into a river
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Sort these isotopes by whether they are most likely to undergo fusion or fission. hydrogen-3, uranium-233, plutonium-239, hydrogen-1, helium-3, plutonium-241
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How does temperature affect magnetism...
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