Pollution of Ai...

Excessive release of $${CO}_{2}$$ into the atmosphere results in:

Taj Mahal is being slowly disfigured and discoloured. This is primarily due to:

Identify the pollutant gases largely responsible for the discoloured and lustreless nature of the marble of the Taj Mahal.

Among the gases (a) - (e), the gases that cause greenhouse effect are :
(a ) CO$$_2$$
(b ) H$$_2$$O
(c ) CFCs
(d ) O$$_2$$
(e ) O$$_3$$

Global warming is mainly due to the increase of:

Name the gas which has the highest percentage in air.

Governments have already taken action against air pollution by introducing ________.

Gases like methane, nitrous oxide and water vapour also contribute towards greenhouse effect, they are also called ___________.

__________ and __________ are the major components of the atmosphere.

Which of the following is correct about the percentage composition of $$O_2$$ in air?