The most difficult Sahara riddlesDeserts quiz
What mainly characterises the landscape of the Sahara desert?
it is rocky
it is sandy
it is grassy
it is mountainous
Most of the Sahara consists of rocky hamada; ergs (large areas covered with sand dunes) form only about 20% of the total area.
How much of the Sahara is covered in sand?
The Sahara is mainly rocky hamada (stony plateaus).
How big is the Sahara desert? (the area of Germany is 357,386 km²)
5,500 000 km²
17 000 500 km²
The Sahara is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic. Its area of 9,200,000 square kilometres (3,600,000 sq mi) is comparable to the area of China or the United States. The name 'Sahara' is derived from dialectal Arabic word for "desert".