How Did African Climate Change

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Around 70,000 to 50,000 years ago, the climate changed and an ice age was developing. The climate was cooler and drier, the icecaps grew and sea levels dropped. In Africa, drought was causing grasslands that once held large herds of animals to turn into deserts. This would have caused animal and plant populations to crash, putting pressure on the humans there. This forced small groups of people to leave Africa in search of food, changing the course of humanity forever. As humans moved to more northern latitudes on Europe and Asia, the days were shorter, and they were wearing more clothing (furs and skins) – and so received less sunlight. Sunlight on the skin is important for the body to produce vitamin D. In order to make enough vitamin
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