Using the map above, why is this river system considered a region?

ther is no awsere but

Explanation: because it is a river and rivers are very importent in the worold...

i only have few minutes according to the map above, which shows religious cultural regions, what two religions are most commonly practiced in africa? a. christianity and buddhism b. buddhism and hinduism c. islam and christianity d. hinduism and islam

answertemperature;