Based on the Law of Conservation of Energy, which of the below is true?

The Law of Conservation of Energy states that energy cannot be created or destroyed in an isolated system. Therefore, the correct statement is:

Energy is neither created nor destroyed; it only changes form.

The Law of Conservation of Energy states that energy can neither be created nor destroyed, but it can only be transferred or transformed from one form to another. So, based on this law, the following statement is true:

- The total amount of energy in a closed system remains constant.