6) B
7) C
8) A
9) C
10) B
I just took the quiz, and these are all the correct answers!
Answer:
Scientists think the smallest black holes formed when the universe began.
Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space.
Scientists think super-massive black holes were made at the same time as the galaxy they are in.
Explanation:
this is from a NASA website so if you need more answers just follow the link provided :)
https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html
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