The density of aluminum is 2.70 g/ml. a piece of aluminum foil has a mass of 44 g. what is the volume of this piece of aluminum foil? a) 0.06 ml b) 1.63 ml c) 16.3 ml d) 118.8 ml

C) 16.3 ml

Explanation:

Density is equal to the ratio between the mass of an object and its volume:

where

m is the mass

V is the volume

In our problem, we know:

- density of aluminium:

- mass of the aluminium foil:

So we can re-arrange the equation above and use these data to find the volume of the piece of aluminium foil:

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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