Which of the sentences below is punctuated correctly?

The cord winds around the pole, and across the door frame.
The wind blew fiercely, and the door slammed shut.
The boy slept, and wouldn’t budge when his mom tried to wake him.

5 answers

I think either a or b is right
One reason for using a comma is between two independent clauses.

Which has two independent clauses?
oh its b
thx miss sue
Yes, B is the right answer. And you're very welcome.