Which Solar System term is correctly associated with distinctive feature: “has the most visually prominent ring system”, and also with “its average density is lower than water”?

Correct Answer: Option C — Saturn. Saturn is correct because it is has the most visually prominent ring system. Saturn is also associated with its average density is lower than water. A further identifying fact is that Saturn is has the most visually prominent ring system. Another useful fact is that Saturn is associated with its average density is lower than water. Why the other options are incorrect: Option A — Uranus: It is it rotates with an extreme axial tilt and is associated with methane contributes to its blue-green colour; those are the identifying facts of Uranus. Option B — Neptune: It is it has exceptionally fast atmospheric winds and is associated with Triton is its largest moon; those are the identifying facts of Neptune. Option D — Moon: It is its far side is not permanently dark and is associated with its gravity is the main cause of ocean tides; those are the identifying facts of Moon. Exam Takeaway: Link Saturn with “has the most visually prominent ring system” and “its average density is lower than water” for quick revision.