they are not used for anything, they are just there because they were formed from moons crashing and space rocks that were tiny enogh to fall into its orbit.
Yes Uranus has rings
they came from a cloud of gas and dust that got pulled in its atmosphere.
Uranus is a planet with rings. Scientist say that Uranus's rings are faint, so that is why people say Uranus does not have rings.
tecnically yes because its a form of Ring-Ring