Shikha Goel and Saleha Parvez Solutions for Chapter: Atmospheric Pollution, Exercise 6: CHALLENGERS*

1. Consider the following sectors:
I.  Agriculture
II. Aquatic ecosystem.
III. Buildings and other structures.
Among the given options, which is affected by the acid rain?
 

Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters changes unburnt hydrocarbons into

Which of the following greenhouse gas is released in paddy field?
I. $\mathrm{CFCs}$
II. ${\mathrm{CH}}_4$
III. ${\mathrm{SO}}_2$
 

Which of the following gases cause global warming?
I. ${\mathrm{CO}}_2$
II. ${\mathrm{O}}_3$
III. $\mathrm{CO}$
IV. Chlorofluorocarbons
Choose the correct option.
 

Global warming causes increase in temperature of earth too much. It can be controlled by