The reduction of outdoor air pollution in the United States has been so successful because: a. The U.S. Congress supported it and diligently crafted laws to ensure its success. b. U.S. citizens insisted that the laws be passed.
Primary pollutants from burning coal include all of the following except a. droplets of sulfuric acid b. sulfur dioxide c. suspended solid particles d. ozone e. None of the above d. ozone Industrial smog used to be a serious problem in many urban areas but is now rarely a problem in most developed countries.
d. Southeast Asia, China, and India e. Brazil, China, and Russia b. India, China, and the Ukraine Photochemical smog generally requires the presence of a. nitrogen oxides
false Nitrogen oxides can combine with water in the atmosphere and form nitric acid, one of the components of harmful acid deposition. true Ozone is only toxic in the form that it takes in the stratosphere.