Geography [2 Mark Question Answer]

Noise pollution is done by extreme noise done by the industrial sector, transport, loudspeakers, etc., which adversely affect human health causing severe headache, migraine, mental disbalance, nervous breakdown, heart diseases.

Air pollution is the excessive concentration of foreign matter in the air which adversely affects the well-being of human beings, animals, plants, and their environment. Air pollution is caused by the addition of chemicals, carbon monoxide, sulphur dioxide, hydrogen sulphide by various factories, industrial plants.

Biodegradable pollutants are degraded by microbial actions.
E.g. sewage, garbage, etc, 
Non-biodegradable pollutants are not degraded.
E.g. glass, plastics, etc.

Radioactive pollutants remain unperished for a long period, so these are more harmful to spoil natural environment. In t modem age, it has become very difficult to survive in natural state due to production of various radioactive materials for various purposes.

Air pollution is the excessive concentration of foreign matter in the air which adversely affects the well-being of human beings, animals, plants, and their environment. Air pollution is caused by the addition of chemicals, carbon monoxide, sulphur dioxide, hydrogen sulphide by various factories, industrial plants.