The force a magnet exerts on another magnet on iron or a similar metal or on moving charges is

It's known as magnetic force.

Explanation:

It cause a Force of attraction between two or more magnetic body. Like poles repel and unlike poles attract.

15.3 cos 65 degrees trig

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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