7. an agent who works for several insurance companies.
contractor
independent agent
direct insurance writer
bonded agent

The correct answer is Independent agent

Explanation:

The independent agent is the one who is an insurance agent of different companies of insurance and sells the insurance policies provided or offered by those companies instead of a single insurance company.

And the agent receives commissions  in return for the policies that he or she sold, and the independent agent will not be considered as an employee of a single or particular insurance company.

b. a single paragraph.

a paragraph is a series of sentences that are organized and make sense, and are all related to a single topic . almost every piece of writing you do that is longer than a few sentences should be organized into paragraphs. this is because paragraphs show a reader where the subdivisions of an essay begin and end, and thus the reader see the organization of the essay into subjects in order to be able to understand its main points.