Category Archives: earth

Bases of Classification of Urban Centres

Urban centres are numerous, and these vary in their size, functions, location and in their social composition, culture and heritage too. It is therefore worthwhile to classify towns into categories for better understanding about their role . The problem of … Continue reading

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Some History of Egypt and Archaeological Discoveries from Nile Valley

The Greek historian Herodotus called Egypt, “The Gift of the Nile,” and along that life-giving river, the ancient Egyptians built their amazing civilization, one they ruled for three millennia. The history of Egypt is divided into : Prehistoric, Ancient, Greco-Roman, Medieval, and … Continue reading

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Christopher Browning’s pessimistic take on America’s future

Why Evolution Is True Christopher Browning is an American historian whose expertise is mainly on the Holocaust. His new article in the New York Review of Books is on a related topic: comparing the debilitated state of American politics with what … Continue reading

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Contours: An Overview

Contour –  Contour is an imaginary line on ground joining points of equal or constant elevations. contours are important to draw the topographical maps in which vertical distances are also shown using the contour lines. Contour interval: Vertical distance between any … Continue reading

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