1) Using a bucket to wash a car is better than using a hose a) True b) False 2) Which saves more water a) Short Shower b) Bath 3) Which saves more water a) dual flushing cistern b) Single flushing cistern 4) Siwa Oasis has fresh lakes only a) True b) False 5) What's the longest river in the world a) The Amazon b) The Nile c) Mississippi 6) Waterfalls are found in Egypt in a) Ras Muhammed b) Nasser lake c) Wadi el Rayan 7) Burulus lake is a) Fresh b) Salty c) Brackish 8) The process of evaporating sea water to get fresh water is called a) Deforestation b) Desertification c) Desalination 9) Desalination can be done through a) Thermal (heating) b) Filtration (pressure) c) Both 10) All of these are Egyptian recycling companies except a) Bekia b) Up-fuse c) E-tadweer d) Green pan e) Nestle 11) It means using less a) reduce b) Reuse c) Recycle 12) It means using things more than once a) Reuse b) Recycle c) Reduce 13) It means turning things into raw materials and remanufacturing them a) Recycle b) Reduce c) Reuse 14) Which produces the least waste? a) Reduce b) Reuse c) recycle 15) Egypt has salty water only a) True b) False 16) Recycling clothes harms animals a) True b) False 17) The place where trash is gathered is called a) Wind farm b) landfill c) city of trash 18) A plant that doesn't need much water a) Sunflower b) Cactus c) Seaweed 19) The earth has more fresh water than salty water a) True b) False 20) Nasser lake is a) Brackish b) Salty c) Fresh

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