Author Question: Chlorofluorocarbons A) have decreased in concentration in the atmosphere since the implementation ... (Read 73 times)

Bob-Dole · **on:** Jul 13, 2018

Chlorofluorocarbons
A) have decreased in concentration in the atmosphere since the implementation of the Montreal Protocol.
B) are a common component of volcanic gases.
C) cause increased levels of harmful ozone in the stratosphere.
D) typically stay in the atmosphere for approximately six months.
E) are naturally occurring compounds.

Question 2

Glaciers
A) add much water to the atmosphere.
B) have no significant effect on global temperatures.
C) are usually stationary.
D) are more extensive now than they were in the last ice age.
E) reflect solar energy back into space.