If you were trying to say "What is <span>a characteristic of communication that is unique to public speaking," then i would say eye contact, and confidence.
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Answer: All respect him. or Everyone respects him
It is a place where something is made.
On the beach—- prepositional phrase
With her sister—- prepositional phrase
Whole sentence can be called a maximal clause. It has a subject and verb. In this case it is both a clause and a sentence.
