Multiple Choice
According to the unified model of active galactic nuclei, ___________ is in the center surrounded by _____________with a Type 1 Seyfert or Type 2 Seyfert being seen depending on the viewing angle.
A) a supermassive black hole; an accretion disk
B) a supermassive black hole; empty space
C) no black hole; an accretion disk
D) no black hole; empty space
Correct Answer:

Verified
Correct Answer:
Verified
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