Question

When a substance changes its state, it either absorbs energy or releases it.
In which of the following changes is heat released by the substance?

1)solid to gas
2 ) liquid to gas

3)solid to liquid
4 )liquid to solid​

Answer 1

Explanation:

solid to gas I think 1st option is correct .

Answer 2

Explanation:

4) liquid to solid

Mark me as a brainliests