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Author Question: The presence of _______________ increases the possibility that a human lunar base may be established ... (Read 36 times)

soccerdreamer_17

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on: Jul 27, 2018
The presence of _______________ increases the possibility that a human lunar base may be established someday.
 
  Fill in the blank(s) with correct word

Question 2

A massive star can fuse more and more massive nuclei, but this process is limited by the fact that, at some point, an element that is produced ____.
 
  a. becomes completely degenerate in the core, changing the pressure-temperature relationship
  b. cannot produce energy through fusion
 c. will only fuse in the presence of even more massive nuclei
 d. is not found in nature
 e. decays radioactively before it can undergo fusion


Pswine

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

water

Answer to Question 2

b


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