3. What are their bad effects? Sulfur dioxide is corrosive gas. It can have negative effects on the respitory system and plant tissue. Nitrogen oxides play an important role in making tropospheric ozone which is a component in photochemical smog. Carbon dioxide is preferred over carbon monoxide however excess production of carbon dioxide has increased the number of carbon dioxide in the atmosphere. Particulate matter can cause respiratory and cardiovascular problems. These problems can cause early death. Also particulate matter reduces visibility and causes smog. Lead can cause nervous system issues such as difficulty learning and ability to concentrate. Tropospheric ozone causes respiratory problems and damages materials like rubber and plastic.
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