Caused by humans, such as vehicles. Burning fuel. The production process in industry, which is a major cause of carbon dioxide. Sulphur dioxide, as well as the small dust and lead compounds.
Caused by humans such as vehicle fuel. Industrial production Which is a major cause of the carbon monoxide. Sulfur dioxide Including small and leaded dust.
Caused by humans, such as vehicle fuel combustion process in the factory. A very important cause of formation of carbon monoxide gas, sulphur dioxide and particulate matter and lead.