Shreesha. A
A Pollution is the introduction of harmful materials into the environment. Pollution is one of the common problems faced today when environment is contaminated it is called pollution. Pollution can also be created by human activities such as produced by factories. Pollution damage the quality of air, water, and land ,ect. Pollution can take the form of chemical substance or energy, such as noise, heat, ect. In 2015 , Pollution killed millions of people through out the worldwide. The burning of coal and wood made the cities the primary source of pollution. Smog makes breathing difficulties, especially for children and older adults. Some kinds of pollution affects the planets on a global scale. Types of pollutions are like air pollution, water pollution,
