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Author Question: Global increases in carbon dioxide concentration are due primarily to a. nuclear waste. b. ... (Read 75 times)

sammy

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on: Jul 2, 2018
Global increases in carbon dioxide concentration are due primarily to
 
  a. nuclear waste.
 b. chlorofluorocarbons (CFCs) used in spray cans, refrigerators, and air conditioners.
 c. use of fossil fuels.
 d. fumigants for crops and pest control.

Question 2

Which country has the highest per capita emissions of carbon dioxide?
 
  a. Russia
 b. Mexico
 c. China
 d. United States


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reversalruiz

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Reply #1 on: Jul 2, 2018
Answer to Question 1

c

Answer to Question 2

d


sammy

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Reply 2 on: Jul 2, 2018
Excellent

dyrone

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Reply 3 on: Yesterday
Gracias!

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