What type of sentence contains two independent clauses?

Determine the structure of the following sentence:

Jamel organized the festival, and he called all the bands.

Determine the structure of the following sentence:

Because it rained, none of the bands performed.

Determine the structure of the sentence:

The door squeaked and rattled.

Determine the structure of the following sentence:

He opened the mailbox and the front door.

Determine the structure of the following sentence:

Kimmie read about China because she wanted to know more about pandas.

Determine the structure of the following sentence:

The wolf barked, howled, and growled at the moon.

Determine the structure of each sentence:

Although I lost my book, I was still able to study.

Determine the structure of the sentence: "You're time is limited, so don't waste it living someone else's life." (Steve Jobs)

Determine the structure of the sentence: If they place first, they might win five hundred dollars.

Determine the structure of the sentence: I like blueberries I don't like bananas.

Determine the structure of the sentence: The bouncing beach ball.

Determine the structure of the sentence: Because Leonard was the only person outside walking at night.

Determine the structure of the sentence: Carla would prefer to vacation in the Caribbean, but I'd rather spend time in Europe.

Determine the structure of the sentence: Many of Jane Austen's novels have been made into successful movies over the past years.

Determine the structure of the sentence: I need to shorten the hem of this dress and add new buttons if I'm going to wear it for another season.