Respuesta :
Pluto is considered to be a minor dwarf planet and is found in the Kuiper belt. The planet Pluto was discovered in the year 1930 ad was detected as the ninth planet of the solar system.
- After the discovery of 2006 Pluto was seen as a dwarf planet like the moon and not a real planet.
- Planet X may never be discovered as compared to Pluto which was discovered.
Hence the option A is correct.
Learn more about planet X.
brainly.com/question/10957252.