Question

Greenhouse gases include____

• A. Carbondioxide $\left(C{O}_2\right)$
• B. Methane $\left(C{H}_4\right)$
• C. Water vapour
• D. All of the above

Answer 1

The correct option is D All of the above

Greenhouse gases include $C{O}_2$, methane and water vapour. Methane is 20 times dangerous than $C{O}_2$. Water vapour contributes to $50-70\%$, carbon dioxide to $10-20\%$ and methane $4-9\%$ to global warming.