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100

pushing new rock up from the mantle creating a seafloor spreading affect

what is M.A.R

100

what is the san adreas fault

the san andreas fault is a place where two tectonic plates touch

100

great rift valley movement 

pulling apart

100

bounus: what plates are involed in the making of the himalayan 

indian and eurasian

100

name 6 major mountain ranges in the usa

rocky cascad sierra appalachian alska brooks

200

person who created the theory of seafloor spreading

who is harry hess

200

san andreas fault movement 

sliding past eachother

200

what plates is involved in the cascade mountains

juan de fuca and south american

200

plates involved in M.A.R

eurasian south and north american

200

how are mountians created

moutains are created when forces inside the earths crust cause the land to uplift

300

theory of the continets spreading

what is seafloor spreading

300

what is lithosphere

the ridgid outer part of the earth

300

what plates are involved in andes mountains

nazcan and south american

300

what features occur along the Mar

New rock towards the the middle and old along the edeges

300

name three types of mountains

folded mountains,fault block mountains, and volcanic moutains

400

cause moutains to form

what is converging plates

400

describe how the lithosphere moves 

The lithosphere is divided into huge slabs called tectonic plates. The heat from the mantle makes the rocks at the bottom of lithosphere slightly soft. This causes the plates to move. The movement of these plates is known as plate tectonics.


400

what is a plate boundary

a lithospheric plate boundary


400

what are the three main plate boundaries 

  • Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. ...

  • Divergent boundaries – where two plates are moving apart. ...

  • Transform boundaries – where plates slide passed each other.

400

what are mountains 

moutains are large landforms made of rock that have been elevated high above the surrounding land.


500

two plates that caused the san adreas fault

what is north american and pacific

500

what type of boundary movement does the cascade mountains have

divergent


500

what type of boundary movement is the great rift valley

divergent

500

what type of boundray movment type is the himalanys 

convergent

500

describe movement of cascade mountains

coliding

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