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Author Question: _____ is the location in the H-R diagram where stars first reach stability as hydrogen-burning ... (Read 69 times)

j.rubin

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on: Jul 27, 2018
_____ is the location in the H-R diagram where stars first reach stability as hydrogen-burning stars.
 
  A) The proton-proton chain
  B) The carbon-nitrogen-oxygen cycle
  C) The zero-age main sequence
  D) The interstellar medium region

Question 2

The Sun fuses _____ hydrogen nuclei to make one helium nucleus.
 
  A) two
  B) three
  C) four
  D) five


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britb2u

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

C

Answer to Question 2

C


j.rubin

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

JaynaD87

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Reply 3 on: Yesterday
Gracias!

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