Amodel can be accurately described as a simplification of reality. realistic and carefully constructed theory. theoretical abstraction with very little value. device that is useful only to the people who created it.

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.

88 because 4 plus 4 equals 8. 40 plus 40 equals 80. 80 plus 8 equals 88

answer; ///liability;