One of the most important aspects of visual aids is: Group of answer choices They are self-explanatory They complement a presentation or speech They should not be used in a professional setting They replace spoken words in a presentation

They complement a presentation or speech

Explanation:

Presentation can be defined as an act of talking or speaking formally to an audience in order to explain an idea, piece of work, project, and product with the aid of multimedia resources or samples.

A visual aid can be defined as an illustrative material such as a model, film, slides, and other imagery that are designed to complement a verbal or written form of communication such as a speech.

Hence, one of the most important aspects of visual aids is that they complement a presentation or speech because they are a graphical representation of what is being said.

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for this case, we must find the number of deaths per day of the year 2015, in automobile accidents, knowing that 32,400 people died.

knowing that the year 2015 had 365 days we have the following division:

where "x" represents the number of deaths per day.

rounding off we have:

approximately, 89 people per day died in 2015

answer:

89 people per day