Hazards and Structure of the Earth Flashcards
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?
