Which of the following sentences contains an independent and dependent clause? Question 2 options: The boy likes cookies; the girl likes ice-cream. Once I went hiking with my best friend. Billy Jo thinks that the sky is blue because the sun paints it each morning. While dreaming, the dog chased a cat down the alleyway to the garbage dump.

Billy Jo thinks that the sky is blue because the sun paints it each morning.

Billy Jo thinks that the sky is blue. This is the independent clause. It has meaning by itself.

... because the sun paints it each morning. This is the dependent clause. It does not have meaning by itself. It needs the independent clause. It gives extra information - reason - related to the information in the independent clause.