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Physics, 07.10.2019 23:30 rach1314

Agraph shows how the temperature of a substance changes as energy is added steadily over time.
which part of the graph would indicate a phase change is taking place?
a steep, downward sloping line
a flat, horizontal line
a steep, upward sloping line

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Agraph shows how the temperature of a substance changes as energy is added steadily over time.
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