Pollution is defined as the addition of unwanted particles or the removal of essential ones in/ from the environment which causes harm to the living world.
It can also be defined as an undesirable change in the physical, chemical or biological characteristics of our environment that can harmfully affect biotic and abiotic processes.
When such changes occur in air it is known as air pollution.
Air pollution is defined as the undesirable physical, chemical and biological changes in the air due to various natural processes or manual activities that disturb the environment and affect the biological health.
Causes of air pollution:
Components that cause the air pollution are known as pollutants. Air pollutants are eliminated in the environment due to natural processes or manual activities. Examples: Carbon dioxide, carbon monoxide, oxides of nitrogen and sulphur, suspended particles, dust, CFC’s etc.
