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Author Question: Why are Ping-Pong balls so highly flammable? A) They contain residues of camphor. B) They ... (Read 78 times)

jrubin

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on: Aug 27, 2018
Why are Ping-Pong balls so highly flammable?
 
  A) They contain residues of camphor.
  B) They provide a lot of surface area.
  C) They are made from nitrocellulose.
  D) all of the above

Question 2

If the rate at which we produce CO2 were to stop rising, the levels of CO2 in the atmosphere would ________.
 
  A) eventually level off
  B) continue to rise
  C) decrease as CO2 is absorbed by plants, soils, and the oceans
  D) This cannot be reasonably predicted


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mistyjohnson

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

D

Answer to Question 2

B


jrubin

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


mistyjohnson

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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