If the path of polar wandering recorded on two continents is not the same, then we can say that
A. the continents have always been widely separated.
B. our radioactive dating techniques have been inaccurate.
C. Earth's magnetic history has been very complex.
D. at least one of the continents has moved.
Answer: D
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A moving package of medical instruments has
A. velocity. B. energy. C. momentum. D. all of the above
The most urbanized nation in the region is
A) Uzbekistan
B) Kazakhstan
C) Tajikistan
D) Afghanistan
E) Mongolia
The relationship between mountains and precipitation can be generalized by saying that
A) mountaintops tend to have more precipitation in summer but less precipitation in winter than the surrounding lowlands. B) mountaintops tend to have more precipitation in winter but less precipitation in summer than the surrounding lowlands. C) mountaintops generally experience more precipitation than the surrounding lowlands. D) mountaintops generally experience less precipitation that the surrounding lowlands.
When did the Ouachita system change sedimentation styles from those typical of a passive margin to an active margin?
A)Late Paleozoic B)Early Pennsylvanian C)Late Permian D)late Devonian E)Early Mississippian