Comma placement: The Idatarod Trail Sled Dog Race begins in March but training starts much sooner.;The Idatarod Trail Sled Dog Race begins in March, but training starts much sooner. Before a coordinating conjuction linking independent clauses ;Comma_Rules
Comma placement: Ethic are based on moral social or cultural values.;Ethics are based on moral, social, or cultural values. To seperate words phrases, or clauses in a series. ;Comma_Rules
Comma placement: I didn't like the movie, it was way too long.;I didn't like the movie. It was way too long ;Comma_Rules
Comma placement: She and Jerry are getting married in the fall, they didn't want a summer wedding.;She and Jerry are getting married in the fall; they didn't want a summer wedding. ;Comma_Rules