An antecedent is a word for which a pronoun stands. The pronoun must agree with its antecedent in number. Rule: A singular pronoun must replace a singular noun; a plural pronoun must replace a plural noun. Here are nine pronoun-antecedent agreement rules.
Best Answer: Wrong answer. Well trough is right. But peak is totally wrong. The crest is the highest point on a wave, while the trough, or valley between two waves ...
5. countable noun. A wave is a raised mass of water on the surface of water, especially the sea, which is caused by the wind or by tides making the surface of the water rise and fall. ...the sound of the waves breaking on the shore. Synonyms: ripple, breaker, sea surf, swell More Synonyms of wave. 6. countable noun.