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Author Question: A radioactive isotope is A) an unstable nucleus that gives off radio waves B) a nucleus that ... (Read 83 times)

sammy

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on: Jul 27, 2018
A radioactive isotope is
 
  A) an unstable nucleus that gives off radio waves
  B) a nucleus that formed from the fusion of two other nuclei
  C) a stable nucleus that is formed from the fission of a large unstable nucleus
  D) an unstable nucleus that spontaneously breaks apart

Question 2

At the top of the HertzprungRussell diagram we find
 
  A) red giant stars
  B) white dwarfs
  C) supergiant stars
  D) main sequence stars


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Jody Vaughn

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


sammy

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Reply 2 on: Jul 27, 2018
Gracias!

cici

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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