Evaluate the following statement. "Convection is a method of heat transfer that requires movement and is not possible in the solid rock regions of Earth."
A) This statement is true; however, convection occurs in the pliable regions of Earth and causes earthquakes to move solid rock.
B) This statement is false; convection occurs in all three states of matter.
C) The statement is true; heat transfer occurs only by other methods in the solid rock regions of Earth.
D) The statement is false; solid rock movement is possible at a slow rate.
Answer: D
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A hydrograph is a plot of ________.
A. sediment load versus time B. rainfall versus the drainage area C. the volume of water or stream-surface height versus time D. water quality versus time E. stream elevation versus distance downstream
Freddy Fish in a tank of water shines a thin beam of light upward at 12° to the normal. Most light continues into the air above, but some reflects from the surface back into the water makes an angle
A. less than 12° to the normal. B. 12° to the normal. C. more than 24° to the normal. D. 24° to the normal.
Your friend says that the heavyweight champion of the world cannot exert a force of 50 N on a piece of tissue paper with his best punch. The tissue paper is held in midair, no wall, no tricks. You
A) agree that it can't be done. B) have reservations about this assertion. C) disagree, for a good punch easily delivers this much force.
The realist-constructionist debate in environmental sociology is characterized by differences in materialist versus idealist explanations of social life. Which of the following distinguishes a constructionist perspective on environment problems?
a) Environmental problems need to be understood in terms of the threats posed by society’s current ecological relations. b) There is no difference between the realist and constructionist approaches to environmental problems—they are in agreement. c) The way we conceptualize and define environmental problems is a key focus. d) Constructionists do not believe we have environmental problems, rather the concerns are all constructed by alarmists.