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Author Question: Only high-energy gamma rays can escape the event horizon of a black hole. Indicate whether the ... (Read 41 times)

vinney12

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on: Jul 27, 2018
Only high-energy gamma rays can escape the event horizon of a black hole.
 
  Indicate whether the statement is true or false

Question 2

The oldest rocks found on the Earth's surface date back about ________ billion years.
 
  A) one
  B) two
  C) three
  D) four
  E) four and a half


fatboyy09

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

FALSE

Answer to Question 2

D


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