Maintaining Air Quality Crossword Puzzle

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Maintaining Air Quality Crossword Puzzle

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QUESTIONS LIST: combustion: a process in the carbon cycle involving the burning of fossil fuels, decomposition: a process in the carbon cycle involving the breaking down of dead organisms, photosynthesis: a process involving the taking in of carbon dioxide by plants to make food, respiration: a process involving living organisms breaking down glucose to form carbon dioxide, water and energy, greenhouse: gases that trap heat are called _ gases, warming: global _ is the effect where there is an increase in earth's temperature, methane: name of a greenhouse gases, melting: global warming causes the _ of polar ice caps, acidification: warmer ocean waters absorbing carbon dioxide more quickly is known as _ , volcanoes: a source of sulfur dioxide is when _ erupt, lightning: a source of oxides of nitrogen is from _ activities, incomplete: a source of carbon monoxide is from _ combustion of carbon-containing substances, death: a harmful effect of carbon monoxide is _ , breathing: a harmful effect of sulfur dioxide is that it causes _ problems, irritates: a harmful effect of oxides of nitrogen is that it _ lungs, acid: sulfur dioxide dissolves in rainwater to form _ rain which corrodes buildings.