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yawa3891 [41]
3 years ago
13

What are the approximate coordinates of the star Rigel?

Biology
1 answer:
AnnyKZ [126]3 years ago
8 0

Answer:

approximately 860 light-years (260 pc) from Earth

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An atom has an atomic number 17 and atomic mass number 35. How many neutrons are present in its nucleus?
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Answer:

B. 18

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