Which of the following would result in increase in "Global warming"?
- Increase in carbon dioxide in the atmosphere
- Burning of fossil fuels in the environment
- Increase in methane in the atmosphere
Answer & explanation
Correct answer: option 4
The correct answer is option 4: 1, 2 and 3
All the listed factors contribute to global warming:
- Increase in carbon dioxide in the atmosphere - Carbon dioxide is a major greenhouse gas that traps heat in the atmosphere, contributing to global warming.
- Burning of fossil fuels in the environment - This process releases carbon dioxide and other greenhouse gases into the atmosphere, increasing global warming.
- Increase in methane in the atmosphere - Methane is a potent greenhouse gas that also contributes to global warming.