Please choose the correct answer to the question: Paleontologists are scientists who study evidence of past life on Earth. Which method do paleontologists most likely use to determine the forms of life that existed millions of years ago?

Answer1: examine current species of plants and animals Answer2: research past species in the library Answer3: interview older scientists Answer4: examine fossils records

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