| 
 1. In the last century  | 
 a) was the warmest year in measured history.  | 
| 
 2. This rise of temperature  | 
 b) making hurricanes more frequent.  | 
| 
 3. Factories, power plants and cars have burnt fossil fuels such as oil and coal  | 
 c) to reduce the impact of global warming.  | 
| 
 4. These greenhouse gases trap heat near the Earth  | 
 d) releasing Co2 and other gases into the atmosphere.  | 
| 
 5. Scientists record that 1998  | 
 e) has declined about 10% in the last 30 years.  | 
| 
 6. According to NASA the extend of Arctic Sea Ice   | 
 f) could become more common in warm areas.  | 
| 
 7. Continued consumption of energy and fossil fuel  | 
 g) the planet’s temperature has risen unusually fast.  | 
| 
 8. Rising temperatures could mean rising sea levels  | 
 h) and using their car less.  | 
| 
 9. Weather patterns could change  | 
 i) through a process called the greenhouse effect.  | 
| 
 10. Severe droughts   | 
 j) could face extinction.  | 
| 
 11. Species, unable to adapt to the changing conditions,  | 
 k) is known as global warming.  | 
| 
 12. Many organizations advocate cutting greenhouse gas emissions   | 
 l) which could flood coastal areas around the world.  | 
| 
 13. Consumers can help by saving energy around the house   | 
 m) will increase the concentration of greenhouse gases in the atmosphere. 
   |