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EVOLUTION OF THE ATMOSPHERE
Phase 1 : The First 2 Billion Years
EVOLUTION OF THE ATMOSPHERE
Phase 2 : The Next 2 Billion Years
EVOLUTION OF THE ATMOSPHERE
Phase 3
THE ATMOSPHERE TODAY
What does our atmosphere mainly consist of?
THE ATMOSPHERE TODAY
Human activity and Pollutants
FOSSIL FUELS
How are they formed?
FOSSIL FUELS
Combustion
AIR POLLUTION - CARBON
Carbon Dioxide (CO2)
AIR POLLUTION - CARBON
Carbon Monoxide (CO)
AIR POLLUTION - CARBON
Particulate Carbon
AIR POLLUTION - SULPHUR
Where does it come from?
AIR POLLUTION - SULPHUR
Acid Rain
AIR POLLUTION - NITROGEN
How is it formed?
AIR POLLUTION - NITROGEN
Nitrogen Monoxide (NO) /
Nitrogen Dioxide (NO2)
REDUCING POLLUTION - POWER STATIONS
Reducing Electricity
REDUCING POLLUTION - POWER STATIONS
Alternative Methods
REDUCING POLLUTION - CARS
Catalytic Converters
REDUCING POLLUTION - CARS
Alternative Methods of Powering Cars
