Indicate which physical change occurs in each of the following situations: a) Carbon dioxide snow disappears.
b) Butter is left in the sun.
c) Frost forms on a window pane.
d) Liquid candle wax falls on the ground and cools.
e) Solder is heated with a soldering iron.

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

does anyone know or what?

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.

hope this ! this is not copied! search it up, it's free of plagiarism!