Which of the following statements is true of both infrared radiation and ultraviolet radiation traveling in a vacuum?
A. They have the same energy
B. They have the same frequency
C. They travel at the same speed
D. They have the same wavelength

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

a.   mass number from atomic number

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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