Question

According to the law of conservation of energy, which of the statements given below is correct? 

1.Energy can not be transformed from one form to another

2.It can be created or destroyed.

3.The total energy before and after the transformation always remains constant.

4.The total energy before and after the transformation is always different.​

Answer 1

The law of conservation of energy states that in a closed system the total amount of energy is conserved and does not change. This means that energy may change from one form to another, but that the total amount of energy in the closed system remains constant.
So accoding to this statement it is clear that only option D is best possible.
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Answer 2

Answer:

Explanation:

a is correct please mark me