The polar high pressure cells
A) are more pronounced at the North Pole than at the South Pole.
B) are the strongest of the four primary pressure areas.
C) are cyclonic in nature.
D) produce the weak, variable polar easterlies.
Question 2
The Montreal Protocol
A) aims to reduce and eliminate all ozone depleting substances.
B) established a framework to address acid precipitation.
C) created the Intergovernmental Panel on Climate Change.
D) only addresses CFCs.
E) is ineffective because so few countries have ratified it.