Is your friend's diagram correct? Support your answer using your knowledge of how a lens transmits light rays.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

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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