Karen and her husband are very prejudiced, Their daughter Nikki, although only a small child, also reacts very negatively to people who are different from her. Her emotional response is most likely due to

graph question answered .. you think better when you are relaxed and happy

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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