All Natural Hazards Flashcards

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Give an example of two tectonic plates that form a conservative plate margin.
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North American and Pacific plates, Cocos and Nazca plates, Arabian and Indo-Australian plates and the African and Eurasian plates.
Give an example of two tectonic plates that form a conservative plate margin.
What is the name of the upper portion of the mantle?
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The asthenosphere

What is the name of the upper portion 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?
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?
Draw a diagram to show the main features of a constructive plate margin.
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An image of a constructive plate margin

A constructive plate margin

Draw a diagram to show the main features of a constructive plate margin.




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