1) Pollution happens when people… a) Keep the environment clean b) Make the environment dirty c) Plant more trees d) Save the animals 2) Which of the following is NOT a kind of pollution? a) Air pollution b) Land pollution c) Tree pollution d) Noise pollution 3) When people throw plastic bottles into the river, it causes… a) Water pollution b) Land pollution c) air pollution d) Noise pollution 4) Smoke from factories is an example of… a) Air pollution b) Land pollution c) Water pollution d) Noise pollution 5) What is the effect of air pollution? a) Fresh air and blue sky b) People can’t breathe easily c) Clean rivers d) Quiet streets 6) Which one shows that people care about the environment? a) Burning plastic b) Throwing waste into rivers c) Using a reusable bottle d) Playing loud music 7) Noise pollution is caused by… a) Loud music and car horns b) Dirty water in the river c) Smoke from factories d) Garbage in the park 8) The river looks brown and smells bad. What kind of pollution is it? a) Noise pollution b) Air pollution c) Water pollution d) Land pollution 9) Which action can make air cleaner? a) Using more cars b) Planting trees c) Throwing garbage on the street d) Burning plastic waste 10) Why is pollution dangerous for people? a) It makes the air fresh b) It makes the world more colorful c) It can make people sick d) It helps the plants grow faster

Choose the correct answer (A, B, C, or D)!

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