Life in the Deserts — Social Science STD 7 — Question
Rajasthan BoardEnglish MediumSTD 7Social ScienceLife in the Deserts2 Marks
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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