Amystery liquid was given to you by an investigator. he is trying to identify it by looking at its physical characteristics. you measure out 20.0 milliliters of the liquid and find its mass to be 15.9 grams. according to the table, which liquid do you believe is the mystery substance? a) lamp oil b) baby oil c) vegetable oil d) rubbing alcohol

c. magnitude and direction

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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