Why was Louis Leakey convinces that Africa was the cradle of humanity

Africa is known as the "Cradle of Humankind" because it is believed that all human life originated in Africa.

Explanation:In 1959, Mary and Louis Leakey were in the Olduvai Gorge in Eastern Africa when they uncovered more than 400 pieces of a fragmented skull. After doing some radiocarbon dating, the Leakey's were able to determine that the skull was 1.75 million years old. This would later become the first evidence that the human species had its roots in Africa.

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he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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