As we all know,water is one of the most important natural resources in the word.Every living things need water.Whithout water,plants will die,and so will human beings.Although 3/4 of the earth surface is coverred with water,most of them is salt water in the sea.Only a little of the earth's water is fresh water that we can drink.So it's necessary for all of as to save as much water as possible.Here are some tips for saving and protecting water.First,we shouldn't throw rubbish into the river.Second,we should fix any leaky tap in our house.Besides,we can use water-saving washing machine.Let's take zction to save water from now on.
