Among the following,the one that is not a greenhouse gas is

The poisonous gas that is released during the combustion of petrol in a car engine is

Formation of photochemical smog involves the following reactions in which $A$,$B$,and $C$ are respectively:
$(i)$ $NO_2 \stackrel{h\nu}{\longrightarrow} A + B$
$(ii)$ $B + O_2 \rightarrow C$
$(iii)$ $A + C \rightarrow NO_2 + O_2$
Choose the correct answer from the options given below:

What are the effects of smoking habits for pregnant women?

Write down the effect of particulate pollutants on the environment.

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