Q. Consider the following statements:
1.Carbon dioxide is transparent to the incoming solar radiation and opaque to the outgoing terrestrial radiation.
2.Most of the mass of the atmosphere is confined to a height of 32 km from the earth’s surface.
Which of the statements given above is/are correct?
Answer: C
Notes:
Explanation: The air is an integral part of the earths mass and 99 per cent of the total mass of the atmosphere is confined to the height of 32 km from the earth’s surface.
- The air is colourless and odourless and can be felt only when it blows as wind.
- Carbon dioxide is meteorologically a very important gas as it is transparent to the incoming solar radiation but opaque to the outgoing terrestrial radiation.
- It absorbs a part of terrestrial radiation and reflects back some part of it towards the earth’s surface.
Source: NCERT – Fundamental of Physical Geography
