Which of the following is an example of how light does not require a medium? a. light is unable to pass through a wall. b. light can travel through space to reach earth. c. light transmits energy from one place to another. d. light can pass through a glass window undisturbed.

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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i think it would be 5