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What is crust Thin solid outermost layer of the earth
What is the mantle A layer of rock between the earths crust and core
What is the core The centeral part of the earth below the mantle
What is the lithosphere Solid outer layer of earth that consists of crust and the rigid part of the mantle
What is the asthenosphere the soft layer of the mantle on which tectonic plates lay
What is the mesosphere The strong lower part of the mantle between the asthenosphere and the outer core.
What are tectic plates A block of the lithosphere that consists of crust and the rigid most outer part of the mantle
What is continental drift The continents were once a single land mass, but then they broke apart and drifted away.
What is sea floor spreading The process of which new oceanic lithosphere forms as magma reaches the sea floor and solidifies.
What is plate tectonics How large pieces of the earths most outer layer called tectonic plates move and change shape
What is a convergent boundary The boundary formed by the collision of two lithospheric pressure
What is divergent boundary The boundary between two tectonic plates that are moving away from each other
What is transform boundary The boundary between tectonic plates that are sliding past each other horizontally
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