The document discusses different types of pollution including air, water, land, noise, radioactive, and thermal pollution. It provides details on the main sources and causes of air, water, and land pollution. For air pollution, major sources listed are motor vehicles, industry, agriculture, and fires. Water pollution sources include petroleum products, chemicals, metals, waste and excess organic matter. Land pollution results from solid waste accumulation, non-biodegradable materials, chemical contamination and imbalance, and is exacerbated by mining, industry, sewage and construction.

2. Types There are 6 (six) types of pollution that are going to beharmful to human being: Air Pollution Water Pollution Land Pollution Noise Pollution Radioactive Pollution Thermal Pollution

4. Water Pollution :- Water pollution is contamination of water by foreign matter that deteriorates the quality of the water. Water pollution covers pollutions in liquid forms like ocean pollution and river pollution. As the term applies, liquid pollution occurs in the oceans, lakes, streams, rivers, underground water and bays, in short liquid-containing areas..