Question

Name the gas which plays major role in global warming.

• A. carbon monoxide
• B. hydrogen sulphide
• C. carbon dioxide
• D. sulphur dioxide

Answer 1

The correct option is C carbon dioxide

$C{O}_2$ plays a major role in global warming. It contributes about 60% to global warming. Main sources of $C{O}_2$ are combustion of fossil fuels like coal, oil, etc. (about 67%) in homes and factories, the process of respiration, volcanic activities, deforestation; etc.