Chapter 7: Pollution of Air and Water

Q&A -Ask Doubts and Get Answers

Q
Pollution of Air and Water

Question:

Which of the following is not a greenhouse gas?

(a) Carbon dioxide

(b) Sulphur dioxide

(c) Methane

(d) Nitrogen

Answer:

The radiations that fall on the earth’s surface are trapped by the atmosphere just like a greenhouse where the heat is trapped inside a nursery and is not allowed to move out. These trapped rays warm the Earth's surface. This is known as the greenhouse effect. Carbon dioxide, sulphur dioxide, methane, nitrous oxide, and water vapor are some greenhouse gases that are responsible for the greenhouse effect.

Hence, the correct answer is (d) Nitrogen.


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