Cold vaporizers pass a current through water, evaporating it with only a small increase in temperature. One such home device is rated at 3.10 A and utilizes 120 V AC with 94.5% efficiency. (Assume the latent heat of vaporization is approximately that of water at 100°C, Lv = 2,256 kJ/kg.)

What is the rate of vaporization, in grams per minute?

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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