Question

Why has Pluto been declared a dwarf planet?

Answer 1

Answer:

It has not cleared the neighbour planet

Explanation:

refer Google

Answer 2

Answer:

HEY MATE

HERE IS YOUR ANSWER

Explanation:

A dwarf planet :

"cleared the neighborhood" around its orbit, which means it has not become gravitationally dominant and it shares its orbital space with other bodies of a similar size. 

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HOPE IT HELPS YOU .....