The visual aid which would best engage the audience's emotions is the following one:
B. A short clip from an episode of a classic television show.
Since we are talking about a <em>classic</em> television show, people are likely to be familiar with it and it must have been, at some point, part of their lives as a source of entertainment and also as something they related to somehow. Due to the fact they have already watched it and probably know the characters well, it has certainly triggered their emotions throughout their lives, in different stages of it. Watching a short clip of the classic TV show can surely engage the audience's emotions, whether by making them laugh or by reminding them of some personal event, perhaps leading them into a feeling of nostalgia.
Answer:
Arm: Supports the tube and connects it to the base.
Base: The bottom of the microscope, used for support.
The answer is D. A verb that starts with "to" is in an infinitive verb form. It should be noted that a verb in this form does not function as a verb instead it functions as another part of speech. Infinitives can function as adverbs, adjectives or as nouns.
If you need to determine the subject of this sentence, that would be Dorothy Parker and E.B. White.
However, this isn't a simple subject, because there are two people involved. This is why this is called a complete subject.
