What is the full form of $FOAM$?

The raw material for making polyblend is

Which of the following refers to the increase in the concentration of a toxicant at successive trophic levels?

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

Consider the following statements:
$(a)$. $40\%$ of the forest has been lost in the tropics.
$(b)$. $JFM$ was introduced in $1965$ by the $UNCED$.
$(c)$. The Bishnoi community belongs to Odisha and played a major role in the conservation of forests.
$(d)$. The Chipko movement started in the Garhwal Himalayas.

More than $70\%$ of the world's freshwater is contained in $............$.