| Rank | Answer | % Correct |
|---|---|---|
| 3 | Sahara | 100%
|
| 6 | Gobi | 93%
|
| 1 | Antarctica | 74%
|
| 7 | Kalahari | 70%
|
| 2 | Arctic | 59%
|
| 5 | Arabian | 52%
|
| 4 | Australian | 44%
|
| 14 | Sonoran | 26%
|
| 11 | Chihuahuan | 22%
|
| 8 | Patagonian | 19%
|
| 9 | Syrian | 19%
|
| 10 | Great Basin | 15%
|
| 13 | Colorado Plateau | 7%
|
| 12 | Karakum | 7%
|
| 15 | Kyzylkum | 4%
|