1.)a.)Which of the following was not used by Wegener as evidence of continental

Question

1.)a.)Which of the following was not used by Wegener as evidence of continental drift?

magnetic anomalies on the seafloor

all of the above were used by Wegener as evidence of continental drift

the geometric fit of the continents

fossils that were common to many continents

evidence of glaciation on widely separated continents

b.)Which type of plate tectonic boundary is the San Andreas Fault?

hot spot

subduction zone

transform boundary

continental-continental divergent boundary

continental-continental convergent boundary

c.)The deepest part of the ocean is located at:

the continental rise

ocean trenches

the continental shelf

the continental slope

the abyssal plain

d.) Which of the following does not characterize continental-continental convergence:

faults, or suture zones, separating rocks of different age and origin

earthquakes

narrowing of ocean basins

explosive volcanism

mountain building

e.) Which of the following is due to isostasy:

none of the above

uplift of continental crust due to erosion of continental crust

the thick “root” of continental crust compared to oceanic crust

crustal rebound, as when large glaciers melt

all of the above

Explanation / Answer

1. All of the above mentioned evidences were used by Wegner to support his theory.

2. San Andreas is a transform fault bundary

3. the deepest part of ocean is marked by Oceanic Trenches

4 fault or suture zones separating rocks of different origin ( although it is not completely devoid but best one from among the optiions

5. All of the above effects can be attributed to isostatic equilibrium (ie. uplift of continental crust due to erosion, thick root of continental crust and crustal rebound when glaciers melt)

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