Answer:
Refine
Explanation:
vroom vroom
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The subordinate clause in this sentence is, "If you run out of quarters". This subordinate clause is an adverb clause. An adverb clause consists of a group of words, having its own subject and verb, which functions as an adverb. It modifies an adjective, a verb and also an adverb. Adverb clause is usually introduced by subordinating conjunctions such as if, such as, because and although.
It should be D. Thesis sentences are giving you an overview of how your essay is going to unfold. Then with each point your backing up a topic sentence which is that point; with examples and explanations to explain said point.