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spring midterm 2

3rd qtr- plate tectonics, hydrology, winds

QuestionAnswer
What movement in the asthenosphere causes plate movement? convection currents
What kind of landform results from two continental plates colliding? mountains
Why does the width of an ocean continuously increase over millions of years? seafloor spreading at the mid ocean ridge creates new crust
Explain how a deep ocean trench forms When two plates collide and the more dense plate goes underneath the other one
What are surface ocean waves mostly caused by? wind
True or False: The total amount of water on Earth is fairly constant. True
True or False: As you descend through the water column, pressure decreases. False
Created by: Mrs. Zernhelt