In order for us to answer this question we need more details on who Calvin is
North Africa is separated from Subsaharan Africa by the African Transition Zone, a transitional area between Islamic-dominated North Africa and animist- and Christian-dominated Subsaharan Africa. It is also a transition between the Sahara Desert and the tropical type A climates of Africa's equatorial region. my bad if not what ur looking for.
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Are you ok? What happened?
Explanation:
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Leaky found the skull of a 1.4 million year old human and believed this was the first human to have made tools since he found tools near by. leaky also discovered a 20 million year old human skull and believed this to be the first sign of humans on earth
