Which is the largest of the world's deserts?

Question

Which is the world's largest urban area in both size and population ?

1. Tokyo
2. Mumbai
3. London
4. Pearl River Delta

Answer 1

The Antarctic Polar Desert
The Antarctic Desert covers 5.5 million sq miles (14.2 million sq km). The second largest, the Arctic desert, which extends over parts of North America, Greenland, Iceland, Scandinavia and Russia, is about 5.4 million sq miles (14 million sq km).