Which presentation skill involves using words that make the audience feel welcome and involved?
a.
purposeful gestures
b.
volume
c.
enunciation
d.
conventions of language

I think it is A.

Explanation:

because when you give gestures you want them to be welcoming and kind

The presentation skill which involves using words that make the audience feel welcome and involved is the following one:

C. enunciation.

Explanation:

Enunciation is one of the pillars of speech clarity. Therefore, if there is good enunciation at the moment the lecturer uses a word that is important to the point he or she is trying to make, it strikes the audience and produces the desired effect.

ah, shun the horrid gulf! by scylla fly.

i don't care about the hunger games ripred wins (look up gregor the overlander)