What is not true about fiat money?

Fiat money is a currency that lacks intrinsic value and is established as a legal tender by government regulation. A primary disadvantage of fiat money is that it risks losing its value due to inflation or become entirely worthless during hyperinflation for the simplest reason that it is not backed up by physical reserves, especially commodities such as gold and silver.

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.