Pollution Kathu Nangal Amritsar

Pollution Any activity that deteriorates the natural resources such as water, soil and air etc. and make them unfit for use in the natural states.

Types of pollution • Air pollution • Water pollution • Noise pollution

Air pollution • Air pollution is caused by combustion in car, truck and airplane engines, which produce nitrogen oxides and release hydrocarbons from unburned fuels.

Causes of air pollution

Example of air pollution

water pollution • sewage, industrial wastes, and agricultural chemicals such as fertilizers and pesticides are the main cause of water pollution.

Causes of water pollution

Example of water pollution

Noise pollution • Unwanted sound, or noise, such as that produced by airplanes, traffic, or industrial • machinery, is considered a form of pollution. Noise pollution is at its worst in densely populated areas. It can cause hearing loss, stress, high blood pressure, sleep loss, distraction, and lost productivity.

Causes of Noise pollution

Causes of noise pollution

How can pollution be stopped • By growing more and more trees. • By throwing garbage and other waste of houses at proper dumping places. • Tall chimneys fitted with filters are used to let out smoke and gases from factories. • Factories are located in areas away from places where people live.

Presented by • • • •

Ravinder Kaur Lovepreet Kaur Sandeep kaur Amandeep Kaur

roll no=27 roll no=19 roll no=29 roll no=39

class 10

th

B

References • Text book of Science of class Xth • Microsoft Encarta Encyclopedia

Guided By •Mrs.Mandeep kaur •Mrs. Meenkashi