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.

The answer is After explaining the rules to us, the coach released us to the field

A nonessential adjective clause is seperated by a coma, and is not needed in the sentence, but adds extra detail.

So if you remove "After explaining the rules to us," The sentence still makes sense.

appeal to ethos is your answer.

different strategies reach different people based on their ability to understand the material. (from personal experience) when writing an argumentative essay write explaining the subject as though your audience never heard of it before and it is just being introduced, then explain why other people hate it also, afterward you would explain why that would be wrong. i hope that : )