Question

A bag of cement lying in the open gets wet due to rain during the night. The next dat the sun shines brightly. do you think changes , which have occured in the cement , could be reserved ? Also give two examples to explain the difference between changes that can or cannot be reversed ?

Answer 1

Answer:

Yes,because when it will get wetit will remain wet & when sun will come it will dry & will became as it was.

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Explanation: