The answers are B: Adverbial clause and C: dependent clause.
A group of words that has the role of an adverb is called Adverbial clause. The sentence "Now<em> if there was</em> one thing that the animals were completely certain of" equals to: <em>Certainly</em> (adverb); or <em>Completely</em> certain (adverb modifying an adjective) and it is both an adverbial clause and a dependent clause (one tha cannot stand by itself).
Answer:
reflecting on information gained while visiting a local recycling center
Explanation:
<span>a. middle-aged woman who speaks a strange language </span>
c from personal reasons that's what my ELA teacher says