Please choose the correct answer to the question: A student learns that one year on Mercury is about 88 Earth days. This means it takes 88 Earth days for Mercury to

Answer1: travel in orbit around its moon. Answer2: complete one rotation on its axis. Answer3: switch orbits with the nearest planet. Answer4: make one complete orbit around the Sun.

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