The raw material for making polyblend is

Ecological backlash (or Ecological Boomerang) is:

The figure shows the biomagnification of $DDT$ in an aquatic food chain. What could be the concentration of $DDT$ in $P$,$Q$,and $R$ respectively?

Where was the Kyoto Protocol adopted?

In order to protect and improve the quality of our environment,the government of India passed the Environment (Protection) Act in which year?

The concentration of an insecticide in the animals of a species is called: