Which situation best represents a closed environment?(1 point) two balls colliding in midair two balls colliding in midair two balls colliding in deep space two balls colliding in deep space two balls colliding on a pool table two balls colliding on a pool table two balls colliding under water two balls colliding under water

unlike poles attract

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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