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.
Well Carl Linnaeus was the guy who classified the different species of organisms into categories and gave them a Latin name for the Genus and Species. So I would say classification of organisms.
Answer: b.a categorical variable.
Explanation:
In numerical variables, such as rainfall measured in inches or the number of sales in a day, the numbers have a numerical meaning. But a categorical variable is a category such as gender and national origin. It can be represented as a number, like the Social security number, but the numbers won´t have a numerical value. If your SSN is bigger than mine, it doesn´t mean that you are greater or at a different level on a scale, because the numbers are used as categories, not as mathematically meaningful.
D as some countries don’t have certain things as other countries have more than they need so they trade the item for another item.
The parthenon or the temple of athena
