it may contain bateria that does harm to your Water shortage problems exist in most of the countries in Africa, mid-east and island The problems could cause desert land, lacking of drinking water
1 maybe nature water has something that does harm to our health in it！such as bacterium，some minerals，germs etc2 在地球上有如此多的水，为什么有点地方还缺水。请列出由于缺水而影响你生活的途径！意即缺水如何影响你的生活的！
最美遇见微风
