Pollution is when something is added to the environment harmful or poisonous to all living things. Smoke or dust in the air is a type of pollution . Sewage in drinking water is another type of pollution, containing germs and viruses. There are 3 kinds of pollution: water pollution, land pollution, and air pollution.
Pollution is the introduction of contaminants into the natural environment that cause adverse change.Pollution can take the form of chemical substances or energy, such as noise, heat or light. The type of pollution are LAND POLLUTION, WATER POLLUTION, AIR POLLUTION. We throw the garbage or plastic here or there. Then the animals like cows,crows and many more eat the garbage or plastic which is very harmful and soon be die. We throw the garbage even in the water which is harmful. In the factory they lead the smoke in the air which is harmful because we take oxygen from the air.