In my opinion, the answer would be 2. The players who were working at the carwash impressed the customers with their hard work.
Explanation:
I think this would be the answer because a relative clause gives more information about the noun, in this case the players, in the sentence. In addition, a relative clause begins with either who, which, that, and whose, these are called relative pronouns or where, why, when, these are called relative adverbs.
Answer: Social institutions are the social patterns directing human behaviour in the performance of basic activities. Social institutions provide better chances for human survival. The central aspects of institutions are the, functions and the roles carried out by their members.
