Question

Write the sources of water vapour.

Answer 1

• Greenhouse effect: The process by which heating of earth takes place due to solar radiation trapped by atmospheric gases like carbon dioxide, water vapours etc.
• The gases which trap solar radiation to produce a heating effect is called green house gases. Examples are carbon dioxide, water vapour etc.
• Industrial exhaust, vehicular exhaust, burning of fuel, and volcanic eruptions are the main sources of water vapour(${\mathrm{H}}_2\mathrm{O}$).