Any undesirable change in physical, chemical or biological characteristic of air, land, water or soil is called

Environmental pollution is undesirable change in the physical, chemical or biological characteristics of air, water or soil. It is caused by production and accumulation of wastes which may be industrial or domestic or agricultural or commercial. So the safe disposal of these wastes is essential to prevent environmental pollution. Answer the following questions related to managment of wastes: Differentiate between incineration and pyrolysis.

Consider the following statements about pollution I.Pollution is an undesirable change in physical ,chemical or biological characteristics of air ,land ,water or soil II.the air act was amended in 1987 to include noise as air pollutant III.In order to control environmental pollution the government of India has passed the environment protection Act ,1976 to protect and improve the quality of our environment Which of the statements given above are correct?

Pollution is change in physical, chemical or biological characters of our land and water that may be:

Pollution is change in physical, chemical or biological characters of our land and water that may be:

Give the term for the undesirable change in the physical, chemical or biological properties of our environment.