Water is a natural resource that is very valuable for life. Water is very beneficial for the survival of humans, animals and plants, if the water whenever it is difficult for humans, animals and plants to live for a long time. Since ancient times To date, we will find that all categories. Animals and plants live longer. So all these Every species has elected to settle near water. Natural water is everywhere, both on surface and underground, in the atmosphere. Surface water as a source of water that we are the most common include rivers, swamps, ravines, streams, lakes, seas and oceans of water is different as the two types of water and ground water, water that is connected to the living. human, animal and prosperity of the vegetation, including surface water each day, we must use a lot of water in terms of consumer occupations such as fishing and farming industries, etc. Thus, it is necessary to help preserve natural water resources are. This clean If you leave the dirt, such as garbage or sewage down mixed in water. It makes the water becomes wastewater later. When the water becomes wastewater. It is a danger to the lives of people, plants and animals, not only one area only. May extend the area a danger to the area beyond.
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