Using commas with coordinating conjunctions For And Nor But Or Yet So

He studied for the test, so he got a good grade.

He studied for the test. He got a good grade

I don't want to argue with you, but I don't want to give in.

I don't want to argue with you. I don't want to give in.

I had a cute puppy, but I lost him

I had a cute puppy. I lost him

Jim can boil eggs, and Sally can make toast

Jim can boil eggs. Sally can make toast.

She had a lot of friends, and she was a friendly girl.

She had a lot of friends. She was a friendly girl.

We can go to Disneyland, or we can go to Sea World

We can go to Disneyland. We can go to Sea World.