Multiple Choice QuestionWind can carry air pollutants up to Blank______ of miles away from the original source of the pollution.Multiple choice question.hundredsthousandsmillions

s referenced in U.S. pollution regulations, the air around us is called Blank______ air.Multiple choice question.ambientadjacentclearidealized

Multiple Choice QuestionIn the last 50 years, the Clear Air Act is responsible for combined emissions of the six criteria pollutants Blank______.Multiple choice question.decreasing by 78%decreasing by 10%barely changing at allactually increasing

Multiple Choice QuestionBy far the largest source of oil pollution in the oceans comes from Blank______.Multiple choice question.natural releases from underwater reservoirsroutine, intentional oil dumpingdownstream delivery of oil from riversshipwrecks and well blowouts

Multiple Choice QuestionWhile air pollution dispersion and dilution formerly were the strategies used to control air pollution, we now realize that Blank______.Multiple choice question.they are too expensive to be cost effectivethese practices are the cause of some of the worst pollution problemsair pollution is no longer a large-scale problem

Multiple Choice QuestionMany of the 400,000 factories in Blank______ have no pollution control, and home coal burners and factories emit 10 million tons of soot and 15 million tons of sulfur dioxide annually.Multiple choice question.CanadaMexicoChinaBrazil