Select all the correct answers. Events involving a disk-shaped nebula occurred before the nuclear fusion that led to the birth of the solar system. Which two statements about the disk-shaped nebula are true?
A Gravity caused the disk-shaped nebula to shrink.
b Gravity caused the nebula to flatten out in its disk-like shape.
c Rotational motion caused the disk-shaped nebula to shrink.
d Rotational motion caused the nebula to flatten out in its disk-like shape.
e The flattening of the disk caused the speed of rotation to decrease.

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!