WORLD HISTORY : ESSENTIALS OF UPTO 1500

WORLD HISTORY : ESSENTIALS OF UPTO 1500

World history is the story of human experience. It is a story of how people, ideas, and goods spread across the earth creating our past and our present. To help us better understand this experience, we will divide history into four main eras: prehistory, ancient times, middle ages, and modern times. Origin of World History Our story begins during prehistory in east Africa where human life began. From Africa humans spread to Eurasia (Europe and Asia), to Australia, and finally to the Americas. Human migration was one of the great waves of history. During…

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Evidence of Sea Level Change

Evidence of Sea Level Change

Climate change and Sea Level change Sea level change is a central concern of geographers. The study of sea level is important as it gives evidence of tectonic changes and insight to climate modifications. Sea level is not static. Either the sea surface or land surface or both in combination rise or fall. The changes in sea level may be regional or global. It may be short term or long term. The short term changes are caused by Tsunamis. Evidence of Sea level change A relative change in sea level…

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