1) Which one is a natural resource? a) petrol b) soil 2) Which one helps saving energy? a) turning off the lights while not using. b) wasting water while brushing teeth. 3) Which one is a way to reuse? a) turning off the tap while brushing teeth. b) writing on both sides of paper. 4) Which one is a way to recycle? a) donating old toys. b) sorting our trash into the correct bin. 5) Which one is a non-renewable energy? a) solar energy  b) coal 6) Which one helps to keep our environment clean? a) littering. b) throwing trash into the bin. 7) What are two things that living things need to live? a) water and food b) air and toys 8) What causes global warming? a) greenhouse gases b) recycled materials

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