OUR CHANGING EARTH. LITHOSPHERIC PLATES EVOLUTION OF LANDFORMS.
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Transcript of OUR CHANGING EARTH. LITHOSPHERIC PLATES EVOLUTION OF LANDFORMS.
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OUR CHANGING EARTH
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LITHOSPHERIC PLATES
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EVOLUTION OF LANDFORMS
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TECTONIC FORCESEndogenic forces The forces that act in the interior of the earth.
Exogenic forces - The forces that act on the surface of the earth .
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CAUSESEndogenic forces produce slow and sudden movements .
Sudden changes cause EARTHQUAKES & VOLCANOES
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VOLCANOA VENT OR OPENING IN THE EARTHS CRUST THROUGH WHICH MOLTEN MATERIALS ERUPTS SUDDENLY.
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EARTHQUAKEWhen the Lithospheric plates move ,the surface of the earth vibrates.These vibrations are called EARTHQUAKES.
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Earthquake hits Bhuj26th January 2001
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EARTHQUAKE PREPAREDNESS
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SEISMOGRAPH
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WEATHERING & EROSIONWeathering Breaking up of the rocks on the earths surface.
Erosion - is the wearing away of the landscape by different agents like water, wind ,ice .
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WORK OF A RIVER
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FLOOD PLAINS
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DELTA
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WORK OF SEA WAVES
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WORK OF ICE
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WORK OF WIND