During the 1980s, damaging acid precipitation in North America largely fell
A) on Canada and the New England States.
B) in the midwestern United States.
C) on the western states and Canadian provinces.
D) in the southwestern United States and Canada.
Question 2
Further acidification of the environment could be prevented by policies that
A) required catalytic converters on all vehicles sold in the United States.
B) switched 50 of U.S. vehicles to hybrid technologies.
C) greatly reduced the acid-producing emissions of coal-burning power plants.
D) greatly reduced the acid-producing emissions of nuclear power plants.
(b) Espeletia in the Andes of South America.
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Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ...