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Environmental Science
Air Pollution
Nitrogen Oxides Emissions
The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were emitted to the atmosphere in the United States during 1987?
1 answer
19.5 t (1000 kg/t)= 19,500 kg
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