water pollution is a global problem

Water Pollution

Water pollution is contaminants of water by international matter that drops the quality of the water. Water pollution includes pollutions in the liquid forms like sea pollution and river pollution. As the term is applicable, liquid pollution occurs in the oceans, lakes, streams, rivers, underground water and coves, in brief liquid-containing area. It includes the release of poisonous substances, pathogenic germs, substances that require much oxygen to decompose, easy-soluble substances, radioactivity, etc. that turns into placed upon the bottom and their accumulations will interfere with the condition of aquatic ecosystems. i.g., the eutrophication: lack of oxygen in a water body caused by excessive algae growths because of enrichment of toxins.