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Author Question: After nuclear reactions in the big bang had ended, about 25 of the mass of the Universe was in the ... (Read 17 times)

danielfitts88

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on: Jul 27, 2018
After nuclear reactions in the big bang had ended, about 25 of the mass of the Universe was in the form of helium nuclei.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Spicules can trigger communications blackouts and auroras on Earth.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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cloudre37

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

True

Answer to Question 2

False


danielfitts88

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Reply 2 on: Jul 27, 2018
Excellent

emsimon14

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Reply 3 on: Yesterday
:D TYSM

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