four
There are seven major land regions on Earth: Africa, Antarctica, Asia, Europe, North America, Australia, and South America.
There are 24 major desert regions and dozens of minor deserts on the planet. For a list of most deserts, click here.
The Earth's surface is divided into about 15 major land plates and other smaller sub-plates.
10 land regions
4 main land regions
Nebraska has 49 land regions
Illinois has 3 land regions.
2 main land regions
Nogeroa has 10 land regions.
three main land regions
There are 4 main land regions.
There are about 26 major desert areas on earth and numerous smaller areas of arid land. For a list of the major deserts, click on this link.