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