1) When Benioff-Wadati zones are plotted on a map, they show: A) elastic modulus
ID: 155112 • Letter: 1
Question
1) When Benioff-Wadati zones are plotted on a map, they show:
A) elastic modulus values in rocks within a subduction zone.
B) semiconcentric zones of varying degrees of earthquake damage.
C) earthquake numbers decreasing away from areas of oceanic rifting.
D) earthquake foci becoming progressively deeper inland from ocean trenches.
2) Major earthquakes are most likely to occur in all of the following tectonic settings EXCEPT
A) transform boundaries.
B) divergent boundaries.
C) subduction zones.
D) continental collision boundaries.
3) Which type of rock is most likely to contain fossils?
A)Igneous rocks.
B)Metamorphic rocks.
C)Sedimentary rocks.
D) All of the above.
4) Of the following organisms, the best index fossils would be:
A) cockroaches, because they have existed in widespread geographic areas almost since the first appearance of insects.
B) bacteria, because they have existed in widespread geographic areas since life first began.
C) a specific type of bryzoa that existed for only a short geologic time in very limited geographic areas.
D) a specific type of trilobite that existed for only a short geologic time in widespread geographic areas.
Explanation / Answer
1)A
2)B
3)D
4)A
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