What percentage of land area should remain covered by forest to maintain Ecological balance? , 1) 10%,2) 22%, 3) 33%, 4) 45%, "> What percentage of land area should remain covered by forest to maintain Ecological balance? "/> What percentage of land area should remain covered by forest to maintain Ecological balance? , 10%, 22%, 33%, 45%, "/>
Question
Which of the following problems is not created by noise pollution?
Environmental Protection Act enacted on
The disease "Itai Itai" is caused by;
Olireculture deals with______?
Human being can hear range of sound frequency between
Full form of COD is;
World Ocean Day is celebrated at
Layer of atmosphere in which Ozone layer lies is
In Atmosphere nitrogen consists of;
Under the Motor Vehicles Act, the noise range of horns has been fixed at?
Miscellaneous GK