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HomeCBSE Class 9ScienceEarth As A System › Gases that trap outgoing heat are called:

Gases that trap outgoing heat are called:

AInert gases only
BGreenhouse gases
CNoble gases only
DHalogen gases
Answer & Solution
Correct answer: B. Greenhouse gases
1. The surface re-radiates heat back towards space. 2. Part of that heat never gets out. 3. Carbon dioxide, methane and water vapour trap it. 4. So the answer is greenhouse gases. _Source: NCERT Class 9 Science, Ch 13 'Earth as a System: Energy, Matter, and Life'_
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