These are not clauses clauses need to have a subject and a verb, (NC)
Answer:
A claim
Explanation:
I'm not 100% sure since there can be a lot of different answers for fill in the blank questions like this, but a claim is a statement, assertion, or opinion that isn't necessarily fact based, so you would need to prove it.
(Hopefully that helped!)
Answer:
Maintaining eye contact and using pauses as punctuation tend to maintain listener interest.
<h3>Hope this is fine for yuh!! </h3>