Describe and discuss the theories about the driving mechanism of plate tectonics
Compare and contrast the concepts of slab-pull and ridge-push. How might mantle
plumes influence plate movement? What will be an ideal response?
The student should discuss mantle convection cells and the evidence that supports their
existence. The student should discuss the effects of gravity and thermal differences on
plate movement
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Broad continental shelves overlie what type of continental margin basins?
a. Passive-margin basins b. Active-margin basins c. Transform-margin basins d. Stable-margin basins
Two identical arrows, one with twice the speed of the other, are fired into a hay bale. The faster arrow will penetrate
A) the same distance as the slower arrow. B) twice as far as the slower arrow. C) four times as far as the slower arrow. D) more than four times as far as the slower arrow. E) none of the above
Twilight is caused by
A) negative albedo. B) scattering. C) diffuse radiation. D) absorption.
The wave frequency is the time it takes for two subsequent wave crests to pass a location.
Answer the following statement true (T) or false (F)