Pollution happens when you ____ harmful things in the environment. A manufacturing factory ____ pollution into the air. A volcanic eruption is a ____ kind of pollution. A car giving off exhaust is a ____ pollutant. A forest fire is a ____ kind of pollution. Smog is ____ in a city. Pollution is ____ to us. Pollution can make ____ plants and animals to be sick. Breathing pollution ____ our lungs. Recycling and picking up litter ____ the Earth. When you use less electricity, you ____ pollution on Earth. When you use less fuel in cars and machines, you ____ pollution.

Air Pollution - Missing Word Grade 3

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