Which of the following is not a metal present in e-wastes?

Polyblend is made using $..............$.

At the beginning of the $20^{th}$ century,forests covered about $.....P.....$ of the land in India. By the end of the century,this had shrunk to $.....Q.....$.

In order to control environmental pollution,the Government of India has passed the .......... to protect and improve the quality of our environment.

Choose the correct option regarding integrated organic farming.

What damage does vegetation cause?