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Author Question: The natural background radiation we personally encounter is A) a trace amount. B) about a ... (Read 46 times)

asmith134

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on: Jul 29, 2018
The natural background radiation we personally encounter is
 
  A) a trace amount.
  B) about a quarter.
  C) about half.
  D) more than half.

Question 2

The main source of Earth's natural heat is
 
  A) molten-hot lava.
  B) pressure on Earth's interior.
  C) radioactivity in Earth's interior.
  D) solar energy in the form of fossil fuels.


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Sarahjh

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


asmith134

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Reply 2 on: Jul 29, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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