Research has identified the cause of plate tectonics to be ________
A) diastrophism
B) convection
C) sun spots
D) warping
E) uniformitarianism
Answer: B
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Refer to Figure 19.4. Which of the following conclusions cannot be made from the given information?
A) A duck on water will move slightly forward with each wave that passes. B) A duck will move up and down as waves move beneath it. C) The distance that a wave moves an object back and forth as it passes increases as the object gets closer to the bottom of the wave. D) Wave motion does not move water below the wave base.
As an expert in environmental sociology, you have been asked to give a brief speech at a major international conference on the future of the world’s environment. What will you say? Be sure in your speech to say whether we should be optimistic or pessimistic. Justify your answer sociologically, drawing on material from this course.
What will be an ideal response?
Which elements are most common in the Earth's crust? What sorts of minerals (i.e., specific families) result from these particularly common elements? What sorts of rocks are most common in the crust as a result?
What will be an ideal response?
________ are pyroclastic materials ejected from volcanoes that are larger than 64 mm (2.5 inches) in diameter
A) Volcanic ash B) Lapilli C) Volcanic bombs D) Pillow lavas