Biosphere refers to

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A$. Sulphate	$I$. Pesticide
$B$. Fluoride	$II$. Bending of bones
$C$. Nicotine	$III$. Laxative effect
$D$. Sodium arsinite	$IV$. Herbicide

Choose the correct answer from the options given below.

State the harmful effects of excessive production of sulfur oxide.

Identify the wrong statement among the following:

Which of the following is a non-conventional source of energy?

Liquid carbon dioxide with a suitable detergent is an alternative solvent to tetrachloroethene in dry cleaning. What kind of environmental damage is prevented by avoiding the use of tetrachloroethene? Is the use of liquid carbon dioxide with detergent appropriate from a pollution perspective? Explain.