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6. [EA13O03 HSLQ_EA13O03_G] If gas approaches a black hole, it will often heat up and emit _____ that can be detected telescopically.
A) X-rays
B) white light
C) purple light
D) radio waves

Respuesta :

 If gas approaches a black hole, it will often heat up and emit "Radio Waves" that can be detected telescopically. 

In short, Your Answer would be Option D

Hope this helps!
yashddsy26
the most appropriate answer is X rays ! A !

black holes do emit radiations and that radiations are x rays , gamma rays !!

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