What are some indicators that a chemical reaction is occurring? Check all that apply.
the formation of bubbles
a change in size
a change in color
the formation of a liquid
the formation of a precipitate

the formation of bubbles

a change in color

the formation of a precipitate

Explanation:

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!

higher potential

explanation:

because it is in a high speed so it must move into a of high potential