Question

Which one of the following atmospheric changes takes place due to green house effect?
1. Increase in carbon dioxide concentration in atmosphere.
2. Increase in humidity in atmosphere
3. Increase in biological population
4. Increase in wind speed

Answer 1

Correct Answer - Option 1 : Increase in carbon dioxide concentration in atmosphere.

The correct answer is an increase in carbon dioxide concentration in atmosphere.

• The greenhouse effect is a warming of Earth’s surface and troposphere (the lowest layer of the atmosphere).
• It is caused by the presence of water vapor, carbon dioxide, methane, and certain other gases in the air.

• The greenhouse effect is a natural process that warms the Earth’s surface.
• When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.
• This absorbed energy warms the atmosphere and the surface of the Earth.
• This process maintains the Earth’s temperature at around 33 degrees Celsius warmer than it would otherwise be, allowing life on Earth to exist.