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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?
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What is the independent variable in this investigation? mass volume sample number substance density
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What is the mass of oxygen in 250 go of sulfiric acid, h2co4...
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