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Author Question: The Montreal Protocol: A) is generally considered a diplomatic disaster by most ... (Read 104 times)

mynx

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on: Jul 14, 2018
The Montreal Protocol:
 
  A) is generally considered a diplomatic disaster by most environmentalists.
  B) was only signed by 24 countries.
  C) was not adhered to by the United States.
  D) will not create immediate, rapid drops in atmospheric CFC levels.
  E) was designed primarily to address the problem of global warming.

Question 2

What is scoria? How is scoria different from pumice?
 
  What will be an ideal response?


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pangili4

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Reply #1 on: Jul 14, 2018
Answer to Question 1

D

Answer to Question 2

Scoria is the name applied to vesicular ejecta that is a product of basaltic magma. When magmas with andesitic or rhyolitic compositions erupt explosively, they emit ash and the vesicular rock pumice. Pumice is usually lighter in color and less dense than scoria, and many pumice fragments have so many vesicles that they are light enough to float.


mynx

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Reply 2 on: Jul 14, 2018
Excellent

bitingbit

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

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