What is the primary role of consumers in a free market economy?

The consumer is the one who pays to consume the goods and services produced.

Explanation:

As such consumers play a vital role in the economic system of a nation. In absence of effective demand the producers would lack a key to motivation

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.