(1)Our world is paying a stiff price for chronic air pollution. (2)If dramatic changes are not made, pollutants will continue to rob us of money and health. (3)They damage buildings and automobiles. (4)Crops, livestock, roads, and metals are all hurt by air pollution. (5)We must pay millions to clean everything from soot-blackened buildings to curtains dirtied with pollutants. (6)If nothing else can persuade us to cut down on air pollution, perhaps the threats to our health will. (7)Our bodies are paying the highest price of all for living in a polluted land. (8)Breathing the air in New York City is equivalent to smoking several packs of cigarettes a day. (9)The poisons in the air accumulate in our bodies, leading to bronchitis, emphysema, and lung cancer. Question4. The tone of the paragraph can be described as a. arrogantly sarcastic. b. sympathetic but angry. c. greatly concerned. d. bitterly revengeful