Which of the following is referring to a ridge push?
A. a plate subducting into the asthenosphere and the ridge pushing the asthenosphere higher under the lithosphere
B. a plate sliding away from the topographically high ridge and pushing the plate outward
C. a plate being pushed into the asthenosphere from the lithospheric weight above it
Answer: B
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According to a map in your book, ________ claim the largest portions of Antarctica
A) Australia and Norway B) Chile and Argentina C) the United States and Russia D) New Zealand and France E) Chile and Norway
Some geologists hypothesize that the tug and pull of lunar tidal forces are strong enough to trigger volcanic eruptions and earthquakes. Explain how you think this might happen. How would you test your hypotheses and what data would you need?
What will be an ideal response?
Rocks that deform elastically until just before failure are called:
a. elastic b. viscous c. ductile d. brittle
Which of the following is not used to rate an earthquake on the moment magnitude scale?
A) the amount of death and destruction that occurred B) the amount of fault slippage that occurred C) the nature of the materials that faulted D) the size of the subsurface or surface area that ruptured