The deadliest of all mass extinctions, which killed off 95% of all living organisms, was the
a).cretaceous-tertiary
b).end triassic
c).permian-triassic
d).late devonian
e).ordovician-silurian

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!

the rearrangement of particles in a physical change. hope this