Not all of them are correct but one which is "enhance the clarity of a speaker's ideas".
Visual aid is an instructional gadget, for example, a graph, guide, or model that interests essentially to vision; particularly an instructive movie or filmstrip etc. but they still need explanation from the speaker but help his speech in creating clarity for the audience.
Answer:
D.Complement of the event.
Explanation:
All event that are not the part of the event are known as complement of the event. In simple terms all those outcome that we do not want are complements. The event and its complement make all possible outcomes.
If our event A is “The sun will rise ,” then the complement, A', is the event “the sun will not rise.” If you're drawing a card from a standard 52-card deck, and the event A is “you draw a spade,” then the complement A' is “you don't draw a spade.
Answer:
Neuromarketing.
Explanation:
Like it's name implies, neuromarketing is the branch of marketing whose task is to study the costumers' cognitive responses to marketing stimuli. Like the exercise exemplifies: using neuromarketing, Frito-Lay discovered that shiny potato chip bags invoked feelings of guilt. Therefore, they switched its packaging to matte bags in order to make sales grow, which was the right call.
The Constitution was written in 1787