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Author Question: HFCs and HCFCs are ____. A) the primary components of photochemical smog B) replacements for CFCs ... (Read 92 times)

WWatsford

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on: Jul 13, 2018
HFCs and HCFCs are ____.
 A) the primary components of photochemical smog
  B) replacements for CFCs
  C) clean-burning fossil fuels
  D) cancer-causing chemicals produced by automobiles

Question 2

Earth's atmospheric pressure always ___________________ _ with increasing height.
 Fill in the blank(s) with correct word


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jliusyl

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Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

decreases


WWatsford

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Reply 2 on: Jul 13, 2018
Great answer, keep it coming :)

essyface1

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

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