Since history began, (not that I'm talking about after history) we've wrote many things, that vary from records to plays. A library is said to be the memory of the human racebecause we write so much about what we remember, know, feel, think, and learn, and as books are ideas already written down, they're usually deemed as a memory.
An adverb clause is a subtype of subordinate/dependent clauses, meaning that it cannot exist on its own, outside of the main, independent clause. In these examples, there are several dependent clauses, in A, C, and D, however, only in C there is an adverb clause 'when we go to the store'.
In the other examples, there are only adjective clauses.
So, the correct answer is C.
The foxes went home before the blizzard came through the valley. <span />
