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Author Question: What was the approximate increase in global temperature during the 20th century? A) 0.5C B) 0.8C ... (Read 97 times)

Alygatorr01285

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on: Jul 15, 2018
What was the approximate increase in global temperature during the 20th century?
 
  A) 0.5C
  B) 0.8C
  C) 1.0C
  D) 1.5C

Question 2

Which of the following trace gases is not natural to the atmosphere and is purely the result of human activities?
 
  A) Chlorofluorocarbons (CFCs)
  B) Nitrous oxide
  C) Krypton
  D) Methane


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isabelt_18

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Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Alygatorr01285

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Reply 2 on: Jul 15, 2018
Gracias!

patma1981

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Reply 3 on: Yesterday
Excellent

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