Hazards and Structure of the Earth Flashcards
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?
How can natural hazards be classified?
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- Tectonic hazards
- Atmospheric hazards
- Geomorphological hazards
- Biological hazards
How can natural hazards be classified?
What is the lithosphere?
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The rigid layer formed by the crust and upper mantle.
What is the lithosphere?
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 is the structure of the Earth?
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From the centre:
- Inner core
- Outer core
- Mantle
- Crust
What is the structure of the Earth?
