Continue; Major
air pollutants
n3. Carbon Monoxide; sources are
natural and also from incomplete burning of fossil fuels,
mainly auto emissions, it contributes to the global warming and to
the formation of ozone at low altitudes
n4. Ozone; Is the primary ingredient of
smog, causes eye irritation, nasal congestion,
asthma, damage to lung and immune system. (The Ozone layer is ozone
at high altitude and protects life by blocking ultraviolet
radiation)