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Zarrin [17]
3 years ago
9

7. Which phase changes require a gain of energy (heat)?

Physics
2 answers:
Keith_Richards [23]3 years ago
7 0

Answer:

c

Explanation:

adell [148]3 years ago
4 0

Answer:

C.

Explanation:

When there is heat the water turns into vapour if not covered but will turn back to water if covered (condensation)

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