Respuesta :
Answer:
D) or A) dont know
Explanation:
Because in 2006 it was no longer considered a planet because it did not meet it did not meet the three criteria the IAU uses to define a full-sized planet.
I hoped this helped you out! in figuring out the answer :)
D. Pluto is smaller than other planets which makes not able to use orbital dominance which means it isn’t strong enough to orbit with other planets