WILL GIVE Pluto was downgraded to a dwarf planet in 2006. A group of scientists have studied Pluto and noted down its characteristics in the chart below. Characteristics of Pluto Orbits the sun Is large enough for gravity to give it a round shape Has no other object in its neighborhood Has a moon Which of these characteristics would best justify that Pluto is a planet? Characteristic 1 Characteristic 2 Characteristic 3 Characteristic 4