Please choose the correct answer to the question: Why are most fossils found in sedimentary rocks?

Answer1: Sedimentary rocks are not very old. Answer2: Organisms live only in areas with sedimentary rock. Answer3: Organisms can be preserved in sedimentary rock. Answer4: Sedimentary rocks are found only at the surface of the ground.

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