Four children pull on the same toy at the same time yet there is no net force on the toy how is that possible

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

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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