Answer:
The compound sentence is the third option:
"My brother likes to go fishing in the afternoons, but I prefer riding my bike."
Hey there,
When making a heading for your essay, it should be located in the beginning of the whole essay. This is what makes the essay come to life and what start's off the essay well.
~Jurgen
It changes the word to an adjective or a verb
Wiles became interested in the solution to the problem known as Fermat's Last Theorem
