Why is it important to save water?, Water is unlimited, Water is necessary for life, Water is expensive, Water is only for plants, Which of these is a harmful gas for the environment?, Oxygen, Carbon dioxide, Nitrogen, Hydrogen, What should we do with plastic bags after use?, Bury them in soil, Throw them on the street, Reuse or recycle them, . Burn them, Which activity helps reduce pollution?, Driving more cars, Using public transport, Using more plastic, Cutting more trees, What is a forest?, A small garden, A large area with many trees, A type of animal, A large area with many buildings.

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