When joining two independent clauses with a coordinating conjunction, where do you place the comma? a. the comma is placed before the predicate. b. the comma is placed after the coordinating conjunction. c. the comma is placed before the coordinating conjunction. d. the comma is not needed.

Which sentence is punctuated correctly? a) the moon which often shines too brightly in my window is full tonight. b) my new textbook which costs over thirty dollars is the best one i've ever read. c) mr. smith, who is a well-respected lawyer, has just retired from active practice. d) the play by velma winterbaker, that was published last year, ended up winning the pulitzer prize. '