Degradation in the quality of water is called water pollution. Water covers over the 3/4th part of the Earth’s surface. It is a very important resource for people and the environment. Water pollution affects drinking water, rivers, lakes and oceans all over the world. In many developing countries, it is usually a leading cause of death, by people drinking from polluted water sources. Drainage and wastage from industries, laboratory, hospitals, and homes are the main factors that cause water pollution.
There are various causes of water pollution. Main causes of water pollution are described below:
Water pollution canbe prevented by following ways:
Land pollution is the degradation of earth's surface. Land pollution makes the quality of soil low. It directly affects the plants and indirectly to human beings. Human actions have also caused many large areas of land to lose or reduce their capacity to support life forms and ecosystems. This is known as land degradation.
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