From the pictures, we know that pollution is the most important problem in the world today. There are too many ways to cause adverse effects on our environment. The most serious way is liquid waste from factories.
We know that the government has taken some measures to prohibit it, such as enacting a law, excessive use of water will make our earth. So today, our topic is how to manage and manage Protection of water resources.
As we know, the world's population has been growing rapidly recently, and enough fresh water is needed to feed such a large number of people. Moreover, with the development of industry, factories and vehicles produce toxic gases or wastes. As a result, although fresh water is polluted, only a relatively limited amount of fresh water is available for human use.
Therefore, we should take actions to protect water resources and stop Pollution, save water, otherwise, we will not be able to survive on the earth.
Water is very important to living things. Without water, there will be no life on the earth. All animals and plants need water.
People also need water. There is water everywhere, even in the driest place in the world. We all find that water can be solid, liquid or gas.
When it is solid, it can be as hard as a brick. When it is liquid, you can pour it out of the container, When it's a gas, you can't see it or touch it. Although% of the earth's suce is covered with water, there are many places in the world without water, so we should make good use of the water on the earth.