It caused climate change, pollution, and it breaks down the earth's atmosphere.
The compound sentence is letter C: She was disappointed, but she accepted second prize with grace.
Sentence structures could be simple (one independent clause), compound (two independent clause with coordinating conjunction), complex (a subordinate & independent clause) and compound-complex sentences (subordinate & two independent clause). These include clauses, conjunctions, coherence and balance and even to the number of words you use in your subject and predicate. The benefit of complex or compound sentences is that it could give you more explanation on the subject or topic of the sentence. This gives you a much more understanding on what the sentence is trying to portray or to message to give.
The sound argument is this one:
<span>All teachers wear vests. Mr. Gonzales does not wear a vest. Therefore, Mr. Gonzales is not a teacher.
If ALL teachers wear vests, then it means that everyone who is a teacher is wearing a vest: you can recognise a teacher by their vest. So someone who is not wearing a vest, such as Mr. Gonzales, is not a teacher.
</span>