1) What is pollution? a) Something that is added to the environment and is helpful to living things b) Something that is added to the environment and is harmful or poisonous to living things c) Something that is added to the environment and is neutral to living things d) Something that is added to the environment and is colorful to living things 2) What are the three main types of pollution? a) Air pollution, water pollution, and land pollution b) Air pollution, food pollution, and noise pollution c) Water pollution, noise pollution, and light pollution d) Land pollution, light pollution, and air pollution 3) What is the main cause of pollution? a) Animals b) Plants c) Natural disasters d) Humans or human activity 4) What are some examples of pollution? a) Air pollution, water pollution, and land pollution b) Food pollution, noise pollution, and light pollution c) Water pollution, noise pollution, and air pollution d) Land pollution, light pollution, and air pollution 5) Why is pollution harmful to living things? a) It makes living things colorful b) It makes living things happy c) It makes living things healthy d) It harms the land we live on, the air we breathe, and the water we drink 6) What inventions can make humans' lives better but are harmful to the environment? a) Plastics b) Metals c) Glass d) Wood 7) What is the biggest killer on the planet? a) Noise pollution b) Light pollution c) Water pollution d) Air pollution, land pollution, and water pollution 8) How can you prevent water pollution? a) Take reusable canvas bags with you to the store b) Turn off the lights when you leave the room c) Use rechargeable batteries d) None of the above 9) How can you prevent air pollution? a) Take reusable canvas bags with you to the store b) Turn off the lights when you leave the room c) Use rechargeable batteries d) None of the above

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