Environmental Issue And Environmental Pollution Ques 68

Question: Which statement is correct regarding greenhouse gases?

I. A greenhouse gas (GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range II. Water vapour contributes to 36-72% of Greenhouse effect III. Nitrous Oxide contributes to about 10% of Greenhouse effect IV. Ozone contributes to 3-7% of Greenhouse effect

Options:

A) I & II

B) I, II & III

C) I, II & IV

D) All the above

Show Answer

Answer:

Correct Answer: C

Solution:

  •          Nitrous Oxide (N02) (5 %) arises from coal burning. biomass burning, and breakdown of chemical fertilizers.