What type of sentence contains an independent clause and at least one dependent clause?

What type of sentence contains two independent clauses?

What type of sentence has two independent clauses and at least one dependent clause

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:

Since he left the school early, Debo missed the program, but he saw it on Instagram.

Determine the structure of the following sentence:

Since he left the school early, Debo missed the program, but he saw it on Instagram.

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:

Chris decided to stay after school.

Determine the structure of the following sentence:

Since I left my lunch box, I was hungry, but Luna shared with me.

Determine the structure of each sentence:

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