One of the most polluted river in the world is
Yamuna
Cavery
Chenab
Ganga
__________is an indication of disturbances to the composition of compound in the atmosphere.
Air pollution
Soil
Water
None of these
Air pollution causes
Global warming
Respiratory diseases
Soil erosion
___________causes several diseases in man and animal.
Soil pollution
Water pollution
Radiation pollution
____________is defined as the release of substances and energy (in excess of permissible limit) as waste products into the environment.
Pollution
Prevention
Preservation
A device used in the chimney to remove solid particles from the gases released into the air
Stainer
Electrostatic precipitator
Cloth
Converter
Green house gas is
Nitrogen
Oxygen
Methane
Carbon dioxide
The smog is formed due to
Dust and fog
Smoke and fog
CO2 and fog
Sun and fog
___________is the most dangerous and commonest kind of pollution.
Sound pollution
Highest percentage of air consists of
Argon
