Which part of the United States has the worst acid rain problem?
A) The northeastern United States
B) The Great Plains
C) The Rocky Mountains
D) The southwestern United States
E) The northwestern United States
Question 2
Which of the following is found along the western edges of continents 25 degrees from the equator?
A) Earth's greatest concentrations of precipitation-producing clouds
B) Aridity
C) The rapid rise of air
D) Air that is stable because it is so cold
E) The least variable annual precipitation totals on Earth
