Consider the following pairs:
| S.No | Region | Continent |
| 1. | Caucasus | North America |
| 2. | Appalachians | South America |
| 3. | Prince Charles Mountains | Europe |
| 4. | Kalgoorlie | Australia |
How many pairs given above are incorrectly matched?
1
Only one pair
2
Only two pairs
3
Only three pairs
4
Only four pairs