How did the Sahara become a desert? - Vidyadip

Question

How did the Sahara become a desert?

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Answer

Sahara once used to be a lush green plain. Cave paintings in Sahara desert show that there used to be rivers with crocodiles. Elephants, lions, giraffes, ostriches, sheep, cattle and goats were common animals. But the change in climate has changed it to a very hot and dry region.

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