I think it’s b but I’m not 100 percent sure
What are the other options
Answer:
1.
a whole formed by combining several separate elements.
"the council was an aggregate of three regional assemblies"
2.
a material or structure formed from a mass of fragments or particles loosely compacted together.
"the specimen is an aggregate of rock and mineral fragments"
A dependent clause is a group of words with a subject and a verb. It does not express a complete thought so it is not a sentence and can't stand alone. These clauses include adverb clauses, adjective clauses and noun clauses.