Lesson
Lesson-11.1.8- State the source of each of these pollutants: ??? oxides of nitrogen from car engines ??? lead compounds from leaded petrol.
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Lesson-11.1.7- State the source of each of these pollutants: ??? carbon monoxide from the incomplete combustion of carbon-containing substances ??? sulfur dioxide from the combustion of fossil fuels which contain sulfur compounds (leading to ???acid rain???).PreviousLesson-11.1.9- State the adverse effect of these common pollutants on buildings and on health and discuss why these pollutants are of global concern.Next