Answer:
A. Puzzles are a lot of fun. They require patience and strategy; one strategy is to start with the edge pieces and then group pieces by color.
Explanation:
A properly breaks up the first two parts of the run on phrase. B and C do not, inserting a comma but the two independent clauses without anything to join them. D has an unnecessary comma after the first word, and a run-on sentence after the semicolon.
Answer:
I believe the answer is soap.
