The hourglass model for structuring effective business presentations suggests you should:.

Begin and end your presentation with motivating context

Explanation:

Just as the hourglass is shaped with a large top, narrow middle and a large bottom. Presentations should start on a general and motivational context.

The middle of the presentation should focus on some details and procedures on how to achieve set goals and objectives of the topic. This is where practical steps are given to the audience.

The end of the presentation should again be a motivational context again. The audience is made to see the big picture of the situation.

the correct answer option is b. a single paragraph.

explanation:

when you are thinking about paragraph​ topics, you should always choose a subject that can be adequately addressed in a single paragraph.

a paragraph is a piece of writing consisting of a few sentences that deal with a single theme. it has only a single idea that the paragraph revolves around and talks about.

so a paragraph topic must be chosen wisely where a single idea can be communicated in a single paragraph.

correct, but each time you dont pay the price of the penalty can increase.