Hazards and Structure of the Earth Flashcards

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Give 2 characteristics of continental crust.
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  • Less dense than oceanic crust
  • Thicker than oceanic crust
  • Lighter than oceanic crust
  • Forms the Earth’s continents
  • Older than oceanic crust
Give 2 characteristics of continental crust.
What are the characteristics of the inner core?
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A solid mass of iron and nickel. The hottest part of the Earth. Temperatures up to 5,550°C. 
What are the characteristics of the inner core?
How can natural hazards be classified?
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  • Tectonic hazards
  • Atmospheric hazards
  • Geomorphological hazards
  • Biological hazards
How can natural hazards be classified?
Do volcanoes and earthquakes occur at all plate margins?
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Volcanoes and earthquakes occur at all plate boundaries except at a conservative margin where only earthquakes happen.
Do volcanoes and earthquakes occur at all plate margins?
Some volcanoes occur in the middle of plates. What are these known as?
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Volcanic hotspots
Some volcanoes occur in the middle of plates. What are these known as?




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