A mixture of various gases with dust and water vapour is known as:
The mixture of dust particles, fog and smoke from various sources can be termed as:-
Statement I: Air is a mixture of gases, water vapour and dust particles.
Statement II: Air is composed of only one gas that is nitrogen.
Statement III: Air is composed of two gases, nitrogen and oxygen only.
Which of the above statement is incorrect?
What percentage of air is accounted by carbon dioxide, water vapour, dust particles and other gases?