Can someone help with this question? Explain why the angular momentum of the Moon is conserved, even though the gravitational force
of the Earth exerts a net force (a centripetal force directed toward the Earth) on the Moon.

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.