All Natural Hazards Flashcards
Give an example of two tectonic plates that form a destructive plate margin
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Pacific and the Eurasian plate, Nazca and South American plate, Philippines and Eurasian plate and the Indo-Australian and Pacific plate.
Give an example of two tectonic plates that form a destructive plate margin
Give an example of two tectonic plates that form a constructive plate margin
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North American and Eurasian Plate, South American plate and African Plate, Pacific plate and Nazca plate and the Cocos plate and Pacific plate.
Give an example of two tectonic plates that form a constructive plate margin
What is a rift valley?
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A long, narrow valley lying between two normal geologic faults. Rift valleys usually form where the Earth’s lithosphere has become thin through extension associated with plate-tectonic processes.
What is a rift valley?
What are the characteristics of the mantle?
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The thickest section of the Earth. Approximately 2900km.
It is made up of semi-molten rock called magma.
What are the characteristics of the mantle?
Where in the world are the majority of the Earth’s volcanoes and earthquakes found?
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The majority of the Earth’s volcanoes and earthquakes occur around the Pacific Ring of Fire.
Where in the world are the majority of the Earth’s volcanoes and earthquakes found?
