Q. Which planet has the lowest density?
✅ Correct Answer: (C)
Saturn
Explanation: Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water.
Explanation by: Team MCQ Buddy
Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water.