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Author Question: At the end of the first fifteen minutes, the mass ratio of H/He created was about A) 50/50. B) ... (Read 343 times)

ss2343

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on: Jul 27, 2018
At the end of the first fifteen minutes, the mass ratio of H/He created was about
 
  A) 50/50.
  B) 75/25.
  C) 27/73.
  D) 90/10.
  E) 1/4.

Question 2

Without telescopes or other aid, we can see the Moon because it
 
  A) emits visible light.
  B) emits thermal radiation.
  C) reflects infrared light.
  D) reflects visible light.
  E) glows through radioactive decay.


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rekilledagain

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

B

Answer to Question 2

D


ss2343

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Reply 2 on: Jul 27, 2018
Gracias!

laurnthompson

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Reply 3 on: Yesterday
Excellent

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