Hazards and Structure of the Earth Flashcards

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How can natural hazards be classified?
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  • Tectonic hazards
  • Atmospheric hazards
  • Geomorphological hazards
  • Biological hazards
How can natural hazards be classified?
Give one reason why the incidence of natural hazards is increasing.
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Reasons include:

  • Climate change
  • Deforestation
  • Urbanisation
  • Population increase
Give one reason why the incidence of natural hazards is increasing.
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?
Describe the global distribution of volcanoes and earthquakes
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Earthquakes are found along all types of plate margins. Volcanoes, however, only occur at constructive and destructive plate margins. Volcanoes are also found away from plate margins at volcanic hot spots such as Hawaii in the Pacific Ocean.

Describe the global distribution of volcanoes and earthquakes
Identify the three types of plate margin.
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Constructive, conservative and destructive.
Identify the three types of plate margin.




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