What causes air pollution
Aerosal cans- hair spray contains CFCs that damage the ozoneBurning of fossil fuels/combustion- releases CO2 into the air that pollutes the air and your lungsCars- Release smog into the airVolcanoes/Fires- Release sulfur and soot into the air
Factories, motor vehicles, smoking. Anything that emits a gas that isn't natural.
Smog from factories and all the Carbon Dioxide from cars and transportation!
Car exhaust is one example.
People and cows producing methane.
Cars/trucks, factories, stuff that makes smoke