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alfred wegener, plate tectonics, layers of the earth
Question | Answer |
---|---|
molten | melted |
subduction | slide under |
continental crust | mostly made of basalt |
lithosphere | top part of the mantle |
core | is earths in side layer |
why did they reject alfred wegener | his hypothesis was rejected because i could not explane how the continents were moving so my theory was rejected until the 1900s |
sea floor spreading | the process that constantly adds new material to the ocean flooor |
ocean trench | when magma pushes through the oceanic crust away from the mid ocean ridge |
divergent bounderie | a plare bounderie where to plates move away from each other |
convergent bounderie | where the plates move towards each other and form a trench |
transform bounderie | forms a fault |