Respuesta :

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Answer:

D

Explanation:

Supermassive black holes are in the center of galaxies. They have an enormous mass, and are not that easy to detect.

They exert a very strong gravitational pull.

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D.

They have the mass of literal stars packed into an area with infinite density. The amount of gravity exerted is incredible. So much gravity that light itself can’t even escape its pull. IT HAS SO MUCH GRAVITY THAT IT TEARS THE FABRIC OF SPACE TIME ITSELF