The Government of India passed the Environment (Protection) Act in the year $............$.

Assertion: Presently,the global atmosphere is warming up.
Reason: The depletion of the stratospheric ozone layer has resulted in an increase in ultraviolet radiations reaching the earth.

Polyblend is mixed with ...$A$... to lay roads in ...$B$.... Complete the given statement by choosing the appropriate option for $A$ and $B$.

In an ecological crisis,whose interference plays an important role?

What is the ascending order of $BOD$ for the following: Sewage $(S)$,Paper mill effluent $(PE)$,Distillery effluent $(DE)$,and Sugar factory effluent $(SE)$?

Which of the following is not an effect of global warming?