Which sentence contains a nonessential adjective clause? the coach explained the rules that the officials revised in 2010. the coach who is an expert in the sport explained the revised rules to us. after explaining the rules to us, the coach released us to the field. the officials revised the rules, which the coach explained to us before practice.

B. The coach who is an expert in the sport explained the revised rules to us.

Explanation:

The adjective clause exemplifies the modifier of the noun clause that contains both a subject and a verb and begins with a relative pronoun. The sentence contains a nonessential adjective clause is the second option. It carries unnecessary adjective clause, i.e. "who is an expert in the sport" as it describes the coach unreasonably. If he is a coach, the description mentioned here is quite obvious and understood. Thus, it is not required to mention it. Hence, the B option is the answer.

c. our lives go by quickly, so take time to enjoy each moment.

explanation:

this map shows the geographic distribution of different tidal cycles along some earth's coastlines. areas experiencing tides are marked in yellow and experience one low tide and one high tide each day.