1) Factories a) cause air pollution  b) protect the environment c) clean the air 2) Plastic a) does not contaminate b) is recycled in a short period of time c) contaminates the environment 3) Fossil fuels a) clean the air b) help the environment c) affect the environment 4) A prolonged period of abnormally low rainfall, leading to a shortage of water. a) Tsunami b) Earthquake c) Drought d) Flood 5) What kind of pollution is in the picture? a) Water pollution b) Ground pollution c) Air pollution d) Sound pollution 6) What picture represents a wildfire? a) b) c) d) 7) What picture represents a hurricane? a) b) c) d) 8) A sudden violent shaking of the ground, typically causing great destrucion, as a result of movements within the earth's crust or volcanic action. a) b) c) d) 9) Recycling helps reducing pollution. a) TRUE b) FALSE 10) Greenhouse gases have influence on global warming. a) TRUE b) FALSE 11) Climate change has nothing to do with global warming. a) TRUE b) FALSE 12) Water cannot be polluted. a) TRUE b) FALSE 13) We can recycle to avoid the production of new things. a) TRUE b) FALSE

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