Why is Africa’s Sahel region decreasing in size?

The researchers noted that the region is already under pressure because of its susceptibility to drought, as demonstrated by a long series of famines over recent decades. Climate change further increases the vulnerability of the Sahel, in the view of the researchers.

B. Desertification

Explanation:

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judaism developed through the growth of a single nation of people

christianity developed through followers spreading the religion throughout the world.

explanation:

u.s.a

china

india

and

japan