Expand the term CFC
Chloro Fluro Carbon
Chlorine fluoride Carbon
Chloride fluorine carbon
Chloro fluoride carboxide
Thermal pollution reduces amount of _________ gas in water.
O2
CO2
N2
CO
_______ decrease the productivity of the soil.
Grass
Garbage
Factory waste
Fertilizers
Prevention and control of pollution Act for Air was established in _________ year.
1974
1982
1981
1980
Carbon dioxide and _________ are the green house gases.
Oxygen
Nitrogen
Carbon monoxide
Methane
Most of the environmental problems are due to increase of
Water
Animals
Rain
Population
Prevention and control of pollution Act for water established in ___________ year.
1986
Waste water released from homes and industries is called
sewage
garbage
bore hole
sullage
Much damage to soil is caused by _______ than pollution.
Farming
construction projects
Erosion
Process of waste water treatment is known as
Sullage
Garbage treatment
drainage treatment
Sewage treatment
