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Author Question: Helium production ceased when the universe was about ________ minutes old, and did not resume until ... (Read 58 times)

maychende

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on: Jul 27, 2018
Helium production ceased when the universe was about ________ minutes old, and did not resume until the first generation of stars formed.
 
  Fill in the blank(s) with correct word

Question 2

Jupiter puts back into space twice the energy it gets from the Sun.
 
  Indicate whether the statement is true or false


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popopong

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

15

Answer to Question 2

TRUE


maychende

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Reply 2 on: Jul 27, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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