Direction: Read the following passage and answer the question. Pollution means anything that pollutes. It is a great problem in modern times. Pollution means the mixing of poisonous matter with…

Direction: Read the following passage and answer the question.

Pollution means anything that pollutes. It is a great problem in modern times. Pollution means the mixing of poisonous matter with nature, mainly air, water and soil. In the cities and towns, the air is constantly being polluted by smoke, dust and gases emitted out by factories and vehicles. Water is polluted by the untreated sewage, waste plastic packets, chemicals garbage etc. Polluted water causes water-born diseases, such as cholera and diarrhea. Even the soil is polluted by uncontrolled garbage, chemical waste, detergent and fertilizers. The shrill electric horns of the vehicles, the loud crackers and microphones pollute the sound. There are also dangers from chemical and other wastes from homes, factories, hospitals that keep on poisoning the atmosphere. Deforestation also helps the process of pollution. Thus, pollution threatens our life on this earth. Pollution control, is therefore, a must for healthy and happy life.

__________ emitted out of factories is the main cause of pollution.