PL HELP You write three complete, grammatical sentences with a compound subject and a compound predicate. You label the subject with an (S) and the predicate with a (P).

A compound is a substance formed when two or more chemical elements are chemically bonded together. In mixtures, the substances present are not chemically bonded together. ... The elements in any compound are always present in fixed ratios. Example 1: Pure water is a compound made from two elements - hydrogen and oxygen. So just put the subject and the predicate as a P and S, then start with your sentences.

C It uses factual and verifiable information .