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Author Question: The most predominant greenhouse gas emitted through human activity is A) hydrocarbons. B) ... (Read 124 times)

yoroshambo

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on: Jul 12, 2018
The most predominant greenhouse gas emitted through human activity is
 
  A) hydrocarbons.
  B) methane.
  C) carbon dioxide.
  D) nitrous oxide.

Question 2

Which chemicals previously used in products such as refrigerants, aerosol sprays, and cleaning products contributed to the depletion of the ozone layer?
 
  A) Hydrocarbons
  B) Chlorofluorocarbons
  C) Particulates
  D) Nitrous oxide


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Joy Chen

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Reply #1 on: Jul 12, 2018
Answer to Question 1

C

Answer to Question 2

B


yoroshambo

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Reply 2 on: Jul 12, 2018
:D TYSM

nyrave

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Reply 3 on: Yesterday
Excellent

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