Cosmoblogger

Nearly all humans have some historical knowledge. Early mankind lived in trees or caves. Energy needed was produced by human power. Mankind consumed existing plants or fruit from trees to exist. Individuals who lived in groups found that they can kill animals for food. People chop up the hunted animals and taking away the skin for clothing.As civilization advanced, water and wind power were discovered as priceless resources of energy in the growing and harvesting of food. The utilization of

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