Please choose the correct answer to the question: Rhea is a moon of Saturn. Which of these facts about Rhea best indicates that it does not have a water cycle in which water changes state?

Answer1: Its radius is 765 km. Answer2: Its density is about 1.3 kg/m3. Answer3: Its period of rotation is about 4.5 Earth days. Answer4: Its temperature is between -174°C and -220°C.

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