Green house effect is NOT produced by the abundance of the gas called
Correct answer: D. Sulphur dioxide
- A. Methane
- B. CO2
- C. Nitrous oxide
- D. Sulphur dioxide
Explanation
The greenhouse effect is how heat is trapped close to Earth's surface by "greenhouse gases." Greenhouse gases include CO2, methane, and nitrous oxide which are options A, B, and C respectively. Option D, SO2, is an atmospheric pollutant produced by volcanic eruptions and combustion engines. It is mainly responsible for acid rain, not the greenhouse effect, making it the correct answer.
This question appeared on the ETEA MDCAT 2006 paper, which you can sit online with every answer explained.
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