Answer:
A preview of main ideas.
Explanation:
A preview can be defined as a view to show in advance what is to be shown in the presentation. It is a statement that is said directly to the audience about the main points of the speech.
<u>In the given case, the speaker is previewing his main ideas of the speech by stating the points that he is going to speak. He gave a brief description of his speech that his speech is going to be based on the reasons for recycling, cost-saving benefits, etc</u>.
So, the correct answer is a preview.
I believe The answer is A.a class system
The answer should be the Gospels.
Food, cleaning/bathing, and transportation of goods
