<em>Hi There!!</em>
<em>I think the best answer is </em><em>Clause</em><em>...</em>
<em>Hope This Helps!!</em>

Coralline algae, sponges, and other organisms contribute is a fact. All the others are opinions
hope this helps:))
The answer is the second one from the top (she sighs softly).
Hello!
I unfortunately cannot answer multiple questions in one answer, but what I can tell you, is the difference between a complete sentence and a fragment taken from one. A complete sentence would be "When Catherine rode her bike to the store, she bought ice cream and cookies."
A fragment is taken from a complete sentence, and it looks like this.
"When Catherine rode her bike to the store."
Hope I helped!
Have a wonderful day! :)
-L