Which sentences contain a restrictive or nonrestrictive relative clause? check all that apply. the car, which took miah months of saving money to buy, is parked in the garage. the bicycle that kameron has had since he was ten years old is still in great shape. my professor, a graduate of arizona state university, taught me a lot about writing. sierra met the boy whose parents recently opened the restaurant across the street. the ocean, calm and peaceful, beckoned joel to dip his toes in the warm water.

Among the options given on the question the correct answers are given below.

1. The car, which took Miah months of saving money to buy, is parked in the garage

2.Sierra met the boy whose parents recently opened the restaurant across the street

3.The bicycle that Kameron has had since he was ten years old is still in great shape

Explanation: Relative restrictive clause are those words which are obligatory and provide information on the head noun to identify the head noun.The characteristics of relative restrictive clause is it can allow who, whom, whose, that pronoun. According to the definition, the 2nd sentence described on the answer is a relative restrictive clause. Because the boy is recognized the parents who opened the restaurant across the street.

On the other hand the first sentence is non restrictive relative clause. Because the non restrictive relative clause only provide the additional information which is not required to identify the head noun. Because, we can identify Miah's car without the clause, which took Miah months of saving money.Therefore this is a non restrictive relative clause.

The third sentence is a restrictive relative  clause. The clause identify the the bicycle of Kameron.