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nationalgeographic.org
R7lKw
TIL that elephants are a keystone species. They carve pathways through impenetrable under brush shaping entire ecosystems as they create pools in dried river beds and spread seeds as they travel.
QJL0d
TIL that most oxygen actually comes from the ocean as opposed to trees. (70%)
0wXEN
TIL that the North Pole is not a land mass, but rather a body of water that is almost permanently covered in a 2-3m thick ice sheet.