Global Warming Quiz

1. Which of these is the main greenhouse gas?

carbon dioxide             methane             CFCs

2. The difference in average global temperature between an Ice Age and
    a warm period is approximately:

1°C               6°C               60°C

3. The greenhouse gas generated by the decomposition of waste is:

carbon dioxide             methane             CFCs

4. The burning of fossil fuels is the prime cause of increased greenhouse
    gases in the atmosphere.

True                  False

5. The only greenhouse gas that is NOT naturally present in the
    atmosphere is:

carbon dioxide             methane             CFCs

6. Which greenhouse gas was the first to be regulated worldwide?

methane             CFCs             nitrous oxide

7. Planting trees will increase the amount of CO2 in the atmosphere.

True                  False

8. The oceans show a temperature increase before the land or air.

True                  False

9. Which country currently emits the most greenhouse gases?

India             China            United States            Canada

10. Which of these forms of transportation is the most energy efficient?

car             bus             train             plane

11. How long does it take for carbon dioxide in the atmosphere to disperse?

1 year           10 years          100 years

12. Which of these gases depletes the Earth's ozone layer?

carbon dioxide             methane             CFCs