Multiple Choice
Why are the mid-ocean ridges higher in elevation than the surrounding ocean floor?
A) The force of magma extruding from the fissure pushes the seafloor up.
B) Warmer material near the ridge is less dense, so it is more buoyant on the mantle.
C) The collision of the tectonic plates is forcing material higher.
D) Thermal springs developing in stress fractures are depositing large volumes of material, increasing the height.
Correct Answer:

Verified
Correct Answer:
Verified
Q49: Which two continents did Wegener cite as
Q50: Samples from the seafloor around the Mid-Atlantic
Q51: Which of the following statements best describes
Q52: A _ is a geographic low, which
Q53: A typical rate of seafloor spreading in
Q55: Where are the majority of transform faults
Q56: Explain how geologists regarded the positions of
Q57: How can the orientation of transform faults
Q58: Which of the following best explains the
Q59: How did researchers in the mid-twentieth century