If the path of polar wandering recorded on two continents is not the same, then we can say that
A) Earth's magnetic history has been very complex.
B) at least one of the continents has moved.
C) our radioactive dating techniques have been inaccurate.
D) the continents have always been widely separated.
Correct Answer:
Verified
Q38: Earth's magnetic field
A)never appreciably changes.
B)has reversed itself
Q39: Continental crust is very buoyant compared with
Q40: The lithosphere includes
A)continental and oceanic crust.
B)the crust
Q45: The ocean crust
A)becomes progressively younger away from
Q46: Spreading centers occur along
A)trenches.
B)transform faults.
C)mid-ocean ridges.
D)the northern
Q48: Magnetic surveys of the ocean floors reveal
A)alternating
Q92: When the magnetic field of Earth is
Q118: The theory of plate tectonics states that
A)the
Q128: The occurrence of earthquakes in the absence
Q135: Transform faults are areas of crustal
A)formation.
B)destruction.
C)subduction.
D)accommodation and
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