Question

do all changes involve exchange of energy? give example supporting your answer. (note - please give answer in short)

Answer 1

Answer:

Yes, all changes involves exchange of Heat.

Some changes takes place by releasing heat energy and some changes takes place by absorbing energy.

Eg: water absorb heat energy to convert into steam and release heat energy to convert into ice.

Answer 2

Answer: u stupid

Explanation: U STUPID

:D