The student lied about who signed the paper and forged his parent's name. Not a compound sentence
Compound Sentence

Our visitors missed blank stop and arrived late

Desalination is expensive because it requires

Which statement would you identify as being correct? a. it is important to learn the etymology of every word in a text. b. it is important to understand the etymology of every word in a text. c. it is important to study the etymology of every word in a text. d. it is important to study the etymology of some words in a text.