Use a comma to separate two independent clauses when they are joined by one of seven coordinating conjunctions (for, and, nor, but, or, yet, so). We were out of ice cream, so I went to the store. (c) ...
Commas are the most misused punctuation mark. Leaving a comma out or putting it in the wrong place can cause confusion, but you can avoid comma snafus with the FANBOYS acronym. FANBOYS stands for the ...