Which of the following is a major cause of air pollution in cities?, planting new trees in parks, exhaust fumes from cars and trucks, using solar panels for energy, riding bicycles to school, What do we call the thick, dirty fog that covers some polluted cities?, smog, rainbow, oxygen, dew, Which human activity helps to reduce air pollution?, burning plastic waste in the garden, leaving electrical appliances on all night, using public transportation like buses and trains, cutting down forests for new roads, Air pollution can mix with water droplets in clouds and fall to Earth as:, acid rain, clean snow, sweet juice, fresh water, Which of these gases is a greenhouse gas that contributes to global warming?, carbon dioxide, nitrogen, hydrogen, helium, How does air pollution affect human health?, It makes our bones stronger., It can cause breathing problems like asthma., It improves our eyesight., It gives us more energy., WHAT IS THE PRIMARY CAUSE OF AIR POLLUTION IN URBAN AREAS?, Vehicle Emissions, Volcanic Activity, Sandstorms, Industrial Waste

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