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Author Question: What compounds did the United States ban in the late 1970s for all nonessential ... (Read 86 times)

tuffie

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on: Jul 13, 2018
What compounds did the United States ban in the late 1970s for all nonessential uses?

Question 2

Which process accounts for the sky's blue color?
 A) light reflection
  B) light scattering
  C) albedo
  D) thermal convection


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mcinincha279

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Reply #1 on: Jul 13, 2018
Answer to Question 1

In the late 1970s, the United States banned all nonessential uses of chlorofluorocarbons (CFCs), which were at the time widely used as propellants in spray cans.

Answer to Question 2

B


tuffie

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Reply 2 on: Jul 13, 2018
Gracias!

bulacsom

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Reply 3 on: Yesterday
:D TYSM

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