Answer:
TRUE
Step-by-step explanation:
An adverb clause is a group of related words that have at least a subject and a verb, and whose function is to modify or add detail to adjectives, verbs or other adverbs. This type of clause often answers questions such as "Why?", "How?", "When?", "Where?" and "In what circumstances?", and they are always introduced by subordinating conjunctions such as while, though, even though, if, after, since, although, as long as, because, before, even, in order that, wherever, unless and until.
Here are some sentences that have adverb clauses (underlined) introduced by coordinating conjunctions:
Though he had promised he would come for me, he later changed his mind.
If you had told me the truth, we would not be in this situation.
While you're here, be nice to you're cousins.