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e seafloor spreading occurring today? What is subduction zone? With what type of plate boundary is it associated? Where is lithosphere being consumed?...

What is seafloor spreading? Where is active seafloor spreading occurring today?

What is subduction zone? With what type of plate boundary is it associated?

Where is lithosphere being consumed? Why must the production and destruction of lithosphere be going on at approximately the same rate?

Differentiate between transform faults and the other two types of plate boundaries.

With what type of plate boundary are the following places or features associated: Himalayas, Aleutian Island, Red Sea, Andes Mountains, San Andreas Fault, Iceland, Japan, Mount St Helens?

Which types of seismic wave causes the greatest destruction to buildings?

An earthquake measuring 7 on Richter scale releases about .................. times more energy than the earthquake with a magnitude of 6.

List three reasons why the moment magnitude scale has gained wide acceptance among seismologists.

Distinguish between the Mercalli scale and the Richter scale.

What is Tsunami? In what two ways do earthquake generate tsunami?

Contrast the physical makeup of the asthenosphere and the lithosphere.

How does the plate tectonics theory help explain the existence of the fossil marine life in rocks atop mountains formed by continental collisions?

Contrast catastrophism and uniformitarianism. How did the proponents of each perceive the age of earth?

What is the law of superposition? How are cross cutting relationship sued in relative dating?

When you observe an outcrop of steeply inclined sedimentary layers, what principle allows you to assume that the beds become more tilted after they were deposited?

Assume that the hypothetical radioactive isotope has a half-life of, years. If the radio active parent to stable daughter product is 1:3, how old is the rock containing the radioactive material? What if the ratio were 1:15?

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