A complex sentence contains one independent clause and at least one dependent clause. Here, in your example, there are two simple independent clauses which you need to merge using a dependent adjectival clause in order to make one complex sentence. Here is how to do it:
The boy <u>who wore a green coat</u><u /> carried his sister home.
Pre-writing helps you decide how to organize your writing because it allows you to develop clear reasoning and also suggests ways in which the different ideas might be logically related, which can help you get a sense of how the essay could eventually be organized.
I think it is c because abrasive can be to scrape and abound can be to exist in great quantities or numbers.
The answer is b. compensate
Introduction
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