If the rotation period of the moon were to decrease, then:

A:the frequency of lunar eclipses would decrease.

B: the phases of the moon would take less time to change.

C: the length of a day would decrease.

D: both sides of the moon would be visible from earth

C: the length of a day would decrese.

Explanation:

The energy given to the moon comes from Earth's rotation and to compensate, our planet is slowing down.

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energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this