1) Which are the natural causes of air pollution? a) Volcanoes b) Cigarettes c) Toxic gases from cars d) Dust storms e) Wild fires 2) Which of these are human causes? a) Burning fossil fuels b) Allergens c) Toxic smoke from factories d) Cigarettes 3) Which are the effects of air pollution? a) More oxygen b) Global warming c) Clean air d) Asthma 4) Which are the possible solutions for air pollution? a) Driving cars b) Switching off the lights c) Using public transport d) Ride the bike

SOCIAL SCIENCE UNIT 3 - AIR POLLUTION

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