I believe the answer is "The girl who owns a red car is the one we are looking for."
The restrictive clause is "who owns a red car". That clause describes the girl.
Answer:
D.The jagged gray mountains are covered in white, wispy snow and capped by a fringe of pine trees beneath a striking cloudy sky
Explanation:
this is the best option because you can actually picture these mountains and you feel like you are there.
Nuclear family, also known as elementary family