Author Question: What compounds did the United States ban in the late 1970s for all nonessential ... (Read 22 times)

tuffie · **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

mcinincha279 · **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