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Carbon monoxide is a major pollutant in urban areas.
treated and untreated sewage
Aircraft
Aircraft
Photochemical
In under developed countries. Resistant strains (Tuberculosis) is on increase in developing countries.
The major air pollutants found in coal are carbon dioxide and methane.
There's no difference on this statistical subject among developed, underdeveloped and emerging countries.
Vehicles, litter and sewage.
Carbon dioxide, and sulfur dioxide
Three major religions revere Jerusalem, but only one religion actually developed there: Judaism. Christianity and Islam came much later, and developed in other countries (Christianity in Greece and Islam in Saudi Arabia).
Particulates