The great ancient civilizations flourished around river valleys because the rivers produce rich fertile soil and a supply of water for irrigation of crops and human consumption. This allows for the agricultural production to be greater and it can sustain more people.
Answer:
William Kamkwamba was Malawi, a country born in where magic ruled and modern science was mystery. It was also a land withered by drought and hunger, and a place where hope and opportunity were hard to find. But William had read about windmills in a book called Using Energy, and he dreamed of building one that would bring electricity and water to his village and change his life and the lives of those around him.
William had a goal to study science in Malawi's top boarding schools. But in 2002, his country was stricken with a famine that left his family's farm devastated and his parents destitute. Unable to pay the eighty-dollar-a-year tuition for his education, William was forced to drop out and help his family forage for food as thousands across the country starved and died.
Yet William refused to let go of his dreams. Using scrap metal, tractor parts, and bicycle halves, William forged a crude yet operable windmill.
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Hope this helps you! :)
As far as I remember, the answer is: One historical contribution of the Neolithic period is the overall ability to grow crops. Neolithic period is the period when people earned advanced skills in growing corps.
Answer:
That their shaped based upon their skeleton
Explanation: