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Questions and Answers
Quel est le principal polluant de l'air provenant des véhicules à moteur?
Quel est l'effet nocif des particules en suspension sur la santé humaine?
What pollutants are emitted by vehicular emissions?
Quelle est la principale source d'émissions de dioxyde de soufre?
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What pollutants are released by coal-fired power plants?
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What is a major source of nitrogen oxides in the air?
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What can cause the undesirable health, economic, or aesthetic effects of air pollution?
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What are the major pollutants emitted by industrial activities?
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