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One sign of a chemical change is the release of A. water vapor B. energy
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4 votes
One sign of a chemical change is the release of

A. water vapor
B. energy

User ShockwaveNN
by
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2 Answers

3 votes
A because you can't see energy
User Lilezek
by
8.3k points
3 votes
A :) hope this helps!
User Ronny Brendel
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