How did seafloor spreading revive Alfred Wegener's ideas about continental drift?
A) Sea floor spreading relied on new fossil evidence documenting the former joining of the continents.
B) Sea floor spreading provided an explanation for the consumption of oceanic crust at plate boundaries.
C) The topography of the ocean floor demonstrated that mountain ranges on either side of the Atlantic Ocean were formerly joined.
D) Sea floor spreading prevented a viable mechanism for moving the continents.
Correct Answer:
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Q14: Which type of earthquake wave moves fastest?
A)P-wave
B)S-wave
C)L-wave
D)R-wave
Q15: What driving force of plate movement is
Q16: Hot spots are recorded by
A)extensive earthquake hazards
B)mantle
Q17: At convergent plate boundaries
A)the plate of higher
Q18: The asthenosphere is stronger than the lithosphere.
Q20: How do magnetic stripes on the ocean
Q21: The Earth's magnetic field reverses in a
Q22: The supercontinent Pangaea consisted of Laurasia and
Q23: The Hawaiian Islands are a volcanic arc
Q24: The volcano called _ is the youngest
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