12405156
Descrição
Quiz por Ronnie Barter, atualizado more than 1 year ago
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Criado por Ronnie Barter
mais de 6 anos atrás
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Questão 1
Questão
Seismic waves are used to map the earth's structure.
Responda
- True
- False
Questão 2
Questão
What is slab-pull?
Responda
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The mid-ocean ridge pulling plates together.
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Newly formed plates becoming denser and thicker at a mid-ocean ridge, causing the mantle to sink under its own weight.
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Slabs of rock being pulled side to side as an S wave moves them horizontally, causing scarring to the land, and massive erosion.
Questão 3
Questão
Approximately every 400,000 years the magnetic fields of the earth change direction, resulting in the north pole and the south pole swapping.
Responda
- True
- False
Questão 4
Questão
As seafloor spreading produces new crust, what occurs to the excess crust left behind?
Responda
-
It is left on the earth, causing gradual growth over thousands of years.
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It is weathered by biological matter, or eroded by water.
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It is subducted, melting in an area known as the subduction zone.
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It is mined for resources, farmed like fruits or vegetables.
Questão 5
Questão
Plate boundary collision/contact is the only reason a Volcano may occur.
Responda
- True
- False
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