The Senegal River has a length of about 675 miles and serves as part of the border between Mauritania and Senegal, before finally draining into the Atlantic Ocean. The headwaters of the river come from two rivers that originate in Guinea, namely the Bafing and Semefé (Bakoye) rivers.
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These differences in the amount of sunlight cause differences in temperature. ... As a result, the biomes located there (tropical rainforest, tropical grassland, and the warm desert) receive the most sunlight and have the highest temperatures. Another notable difference between biomes is the amount of precipitation.
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