Which of the following is not a greenhouse gas?

The term biosphere is used for the zone of the earth where life exists:

$A$ water sample has $ppm$ level concentration of the following metals: $Fe = 0.2$,$Mn = 0.05$,$Cu = 3.0$,$Zn = 5.0$. The metal that makes the water sample unsuitable for drinking is

The depletion of the ozone layer in the stratosphere is responsible for which of the following?

Match the following items correctly:

List-$I$	List-$II$
$(1)$ Vegetable waste	$(A)$ Takes $3$ to $5$ months for natural decomposition
$(2)$ Plastic materials	$(B)$ Takes $7$ to $10$ months for natural decomposition
$(3)$ Agricultural waste	$(C)$ Remains in original form for decades without decomposition

Which one of the following is not a common component of photo-chemical smog?