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Author Question: How is global temperature estimated from ice samples? A) by looking at the types of gases ... (Read 31 times)

fbq8i

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on: Aug 27, 2018
How is global temperature estimated from ice samples?
 
  A) by looking at the types of gases dissolved in the ice
  B) by measuring the density of the ice
  C) by measuring the depth of the ice
  D) by looking at the pollen trapped in the air pockets in the ice
  E) none of the above

Question 2

What is the cause of the greenhouse effect?
 
  A) different materials absorb, reflect and transmit electromagnetic radiation differently
  B) excess gases in the atmosphere
  C) solar radiation causing chemical changes in the concentration of gases in the atmosphere
  D) human activities changing the chemical makeup of the atmosphere
  E) none of the above


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trog

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

A

Answer to Question 2

A


fbq8i

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Excellent

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