Factories, cause air pollution, protect the environment, clean the air, Plastic, does not contaminate, is recycled in a short period of time, contaminates the environment, Fossil fuels, clean the air, help the environment, affect the environment, What kind of pollution is in the picture?, Water pollution, Ground pollution, Air pollution, Sound pollution, What picture represents a wildfire?, What picture represents a hurricane?, Recycling helps reducing pollution., TRUE, FALSE, Water cannot be polluted., TRUE, FALSE

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