C.) is the correct use of "who's." "Who's" is a contraction of who and is. In each sentence, instead of saying who's, say who is.
(ex. "Who is turn is it..." doesn't sound right.).
The other three sentences are incorrect; they need "whose" instead which is a <span>determiner or pronoun showing possession. </span>
Commitment, it only need one consonant before adding the suffix
Answer:
C) The orbits of the Moon and Earth around the Sun cause very interesting events.
Explanation:
I had this question before so i'm pretty sure this is it.