Define turbidity in water and explain its causes, measurement, and significance for water quality.

In which form the phosphorous occurs in sewage? Also, briefly explain the methods of removing it.

Parent material

Stationary and Mobile sources of pollutants

Metamorphic rocks

How do the following factors affect the discharge of pollutants in the atmosphere?

i) Atmospheric stability

ii) Temperature

iii) Precipitation

iv) Turbulence

v) Solar radiation

Indoor and Ambient air pollution