What's your answer choice
House is the antecedent of the pronoun "it"
Coralline algae, sponges, and other organisms contribute is a fact. All the others are opinions
hope this helps:))
The answer is B, as it helps not only to keep the reader's attention but to also inform or persuade them more to a topic. In addition, it is also sometimes used to help convey a specific emotion, thus helping the reader get more into the text.
