The correct sentence is:
Contraction is the usage of apostrophes to shorten words. The contraction "it's" is used as a shortened form of "it is." "Its" is used to indicate possession.
So in the first part of the sentence, the contracted form was used while the possessive form was used in the second part.
Learn more about contraction here:
https://brainly.com/question/18229001
#SPJ1