2. Air Pollution-Air is usually comprised of 78% nitrogen, 21% oxygen, 0.9% oxide gases and 0.1% inert gases. When it becomes contaminated with other elements such as poisonous gases or particles, it is called polluted.
3. Soil Pollution-Soil can be stripped of its nutrients by a number of chemical agents and when this occurs, it is known as soil pollution. Common causes of soil pollution include pesticides, industrial waste, etc.
6. Noise Pollution- Noise pollution refers to an excess of unpleasant sounds emanating from industry, infrastructure, heavy machinery, transportation, and even human occupation being released into the environment.