Question

Which of the following contributes to the global warming

• A. Carbon dioxide
• B. Nitrogen
• C. Oxygen
• D. Water vapour

Answer 1

The correct option is A

Carbon dioxide

• `Global warming is the phenomenon of a gradual increase in the temperature near the earth’s surface.
• Greenhouse gas absorbs the infrared radiations from the Sun and traps heat, thereby increasing the temperature of the Earth.
• Carbon dioxide being a greenhouse gas traps heat. Hence, it contributes to global warming
• Thus option a is the correct option.
• Hence option b,c,and d are the incorrect options.