Answer:
The arid expanse covering the northern part of Africa is called the 'Sahara Desert'.
Step-by-step explanation:
- The total area of the Sahara desert is 92,00,00 sq. kilometers. It stretches east-west across the entire northern part of Africa and consumes about 25% area of the continent.
- It houses 10 African countries and forms a natural physio graphic boundary between the world to the north and the rest of the African continent.
- Out of all the hot deserts in the world, the Sahara desert is the largest and the driest.