Identify the correctly written compound sentences. Check all that apply.

Good writers use parallel structure in lists to display strong logic; bad writers create unparallel lists that lack logic.

Informational messages are usually organized in a direct manner but sensitive messages are often indirect to avoid offending the recipient.

Pie charts should be used to show relationships between parts of a whole, but bar graphs should be used to illustrate differences between items or variables.

Sending quick, irrational replies to upsetting e$-$mail messages can be emotionally gratifying; however, it is not wise.

What is an independent clause?

A phrase that needs a conjunctive adverb to validate its meaning

A group of words that can function as a complete sentence, consisting of a subject and verb and expressing a complete thought

A group of words that cannot function as a sentence without an introductory clause