Expand the term CNG.
Compressed national Gas
Compression of Nature by Gas
Compressed Natural Gas
Collection of Natural gas
_______ decrease the productivity of the soil.
Grass
Garbage
Factory waste
Fertilizers
The Eumycetes and ______ are micro organisms responsible for degradation.
E.coli
Staphylococus
Schizomycetes
Streptococus
Among the following which is the basic need of human being.
Transport
Food
Soil
Rain
Thermal pollution reduces amount of _________ gas in water.
O2
CO2
N2
CO
CFC destroys ______ layer of earth.
Ozone
Troposphere
Stratosphere
Thermosphere
Air contains ___ % of oxygen.
20.9%
0. 3%
78%
20%
Expand the term CFC
Chloro Fluro Carbon
Chlorine fluoride Carbon
Chloride fluorine carbon
Chloro fluoride carboxide
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
Population