Climate change and the greenhouse effect Quiz
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5 questions, one answer each
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1. Which three gases are all greenhouse gases?
- A. Oxygen, nitrogen and argon
- B. Carbon dioxide, methane and water vapour
- C. Carbon dioxide, oxygen and nitrogen
- D. Methane, argon and oxygen
2. What do greenhouse gases do to infrared radiation from the Earth's surface?
- A. They absorb it and re-emit it in all directions
- B. They reflect all of it into space
- C. They let all of it pass through
- D. They turn it into visible light
3. Which activity releases large amounts of methane?
- A. Using wind turbines
- B. Planting trees
- C. Driving a solar-powered car
- D. Raising cattle
4. Which of these is a consequence of global warming?
- A. Falling sea level
- B. Fewer heatwaves
- C. Rising sea level as land ice melts
- D. More ozone in the air
5. Which change would do most to reduce carbon dioxide emissions from electricity generation?
- A. Replacing wind power with coal
- B. Replacing coal with wind power
- C. Using more incandescent bulbs
- D. Burning more wood from cleared forests