| 16 |
At the beginning of 2004, Federer had a world ranking of No. 2, and that same year, he won the Australian Open, the U.S. Open, the ATP Masters and retained the Wimbledon singles title. |
sports |
| 17 |
Federer held on to his No. 1 ranking from 2004 into 2008. In 2006 and 2007, he won the singles championships at the Australian Open, Wimbledon and the U.S. Open. |
sports |
| 18 |
A paragon of graceful athleticism, Federer was named the Laureus World Sportsman of the Year from 2005-08. |
sports |
| 19 |
Cyclone, tropical cyclone, hurricane, and typhoon are different names for the same phenomenon, which is a cyclonic storm system that forms over the oceans. |
natural disaster |
| 20 |
Drought is the unusual dryness of soil, resulting in crop failure and shortage of water and for other uses which is caused by significant low rainfall than average over a prolonged period. |
natural disaster |
| 21 |
A tornado is a violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. |
natural disaster |