LUOA Earth Science Module 8 Questions and Answers 100% Pass

LUOA Earth Science Module 8 Questions and Answers 100% Pass Pangaea mean all the earth Alfred Wagoner found what in Africa,India,South America and Australia that showed him they were all covered in ice at some point ice striations why didn't scientist in 1912 take Alfred seriously? because there was no way the continents could plow through the ocean basin because they didn't know of a strong enough power because he wasn't a geologist Alfred Wegener proposed his idea of continental drift which later become known as the theory of plate tectonics what was Alfred's original theory called the continental drift the pangaea model says which continents fit together Australia, Africa, India, and South America Mesosaurus was a freshwater reptile whose fossil was found in the northwest part of South America and Southeast part of Africa the name of the continent described by Alfred was called d Pangaea what type kf plate is the thickest continental crust what is the name of the type of crust that is found under the ocean oceanic crust or continental crust what what is formed when 2 oceanic plates pull apart or diverge a valley like rift appears when a continental plate collides with another continental plate what happens when two continental plate collide it forms Mountains because the plate are not dense enough enough to go under one another what types of boundaries slide past each other Transform boundaries like Scotia plate, India plate, and Arabian plate what forms at the collision of an oceanic plates and continental plate oceanic trench or Valley when an oceanic plates collides with a continental plate what happens? the oceanic crust gets pushed under the continental crust this forms a subjugation zone what types of of boundaries move toward each other convergent plates like Nazca plate and African plate explanations for the movement of the plates convection currents in the mantle the crust of the earth sits on top of litho sphere where are a lot of earthquakes and volcanoes ring of fire fracture zones are where cracks run perpendicular to a rift this feature is usually found where oceanic crust converges with continental crust a trench continental crust is made up of blank and it is blank compared to oceanic plates granite less denser divergent boundaries are where two oceanic crust are pulling apart which feature is usually found where oceanic crust conv