(1) Water is an indispensable substance for animals, plants and human beings. It can be said that there is no life without water. In addition, food, clothing, housing and transportation in human life are inseparable from water. Water is an important raw material for industrial and agricultural production. The amount of fresh water consumed by agricultural production accounts for 60%-80% of the total amount of fresh water consumed by human beings, and industrial production also needs a lot of water.
So the answer is: water can promote the development of local economy, promote agricultural production, ensure residents to drink, beautify the local environment and improve the climate.
(2) Nowadays, the water consumption is increasing and the pollution is becoming more and more serious, which requires us to protect water sources and save water. So the answer is: Do not use phosphorus-containing washing powder to save water.