Answer: All
Explanation:
Jovian planets are the four outer planets of Solar System: Jupiter, Saturn, Uranus and Neptune. All the four Jovian planets have rings. Saturn is the only planet whose rings are visible from Earth. Ring system of Saturn is made up of ice. Rings of Jupiter are mostly composed of dust. Uranus has 13 rings and Neptune has 6 rings. Both planets have rings composed of small dust particles and organic compounds processed by radiation.