1. an undersea mountain range is called
a) rift
b) seafloor spreading
c) mid-ocea...
Chemistry, 08.11.2019 22:31, Yasminl52899
1. an undersea mountain range is called
a) rift
b) seafloor spreading
c) mid-ocean ridge
d) continental drift
2. what fuels sea floor spreading?
a) convection currents
b) the crust
c) subduction
d) convergent boundaries
3. process by which new ocean crust forms
a) seafloor spreading
b) continental drift
c) mid-ocean ridge
d) rift
4. which picture demonstrates a divergent plate boundary? (the picture is at the )
a) a
b) b
c) c
d) none of the above
5. what is plate tectonics?
a) the theory of plates moving slowly over the mantle
b) the theory of mountain forming
c) the theory of plates subducting under the mantle
d) the theory of pangaea
6. the newest seafloor is located?
a) closest to the mid-ocean ridge
b) farthest from the mid-ocean ridge
c) in the mantle
7. what is the driving force behind the convention occurring in the earth’s mantle?
a) heat from the sun
b) heat from the earth’s core
c) friction from rock material moving around
d) magnetic pull from the moon
8. when looking at the mid ocean range, the oldest rocks are
a) in the middle
b) found far from the mid ocean ridges
c) found close to the rift zone
d) in the mantle
9. convection currents in the mantle leads to movement in
a) asthenosphere
b) earth’s core
c) lithosphere
d) pacific ocean
10. what is seafloor spreading?
a) new areas of oceanic crust occurring through the up welling of magma at mid ocean ridges
b) the moon
c) a thing in the ocean
d) mid-ocean trenches continually add new material to the ocean floor
Answers: 3
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