Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

تمرين 10

How are coastal ocean waters polluted? What causes harmful algal blooms, and what are their harmful effects? Describe the pollution problems in Chesapeake Bay. How serious is oil pollution of the oceans; what are its effects; and what can be done to reduce such pollution? List ways to reduce water pollution from (a) nonpoint sources and (b) point sources. Summarize the U.S. experience with reducing point-source water pollution.