Which of these is an example of a physical change?
sugar, when heated, producing carbon...
Which of these is an example of a physical change?
sugar, when heated, producing carbon dioxide and water
solid ice, when heated, turning into liquid water
sodium, when exposed to chlorine, forming sodium chloride
aluminum, when heated in air, forming aluminum oxide
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Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm
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