Please choose the correct answer to the question: The crude oil extracted today was formed millions of years ago from the fossilized remains of algae and other tiny marine organisms. Most parts of the organisms decomposed soon after they died. Which biomolecules decomposed more slowly and became the basis of crude oil?

Answer1: proteins Answer2: carbohydrates Answer3: fatty acids Answer4: nucleic acids

Answer format: answer1/answer2/answer3/answer4
Answer: answer3