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Question
Convection in Earth's mantle is attributed toA) sinking cold oceanic crust.
B) gravity and heat flow.
C) conduction of heat from Earth's core.
D) temperature differences between continental and oceanic crust.
Answer
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Related questions
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Heat energy is measured in units of
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C) calories.
D) both joules and calories.
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B) decreases by 100/273.
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D) increases by 100/273.
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Which of these is the smallest?
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Distinguish between the concepts of thermal energy, temperature, and heat.
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Water at 4C will expand when it is slightly
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If water at 0C slightly increases in temperature, the water
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If water at 20C slightly increases in temperature, the water
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A kg of 40C water and a kg of 20C water, after being mixed, have a temperature of 30C. However, the final temperature of a 1-kg iron block at 40C placed into 1 kg of water at 20C is
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B) becomes less ordered.
C) reaches equilibrium.
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When work is done by a system and heat is subtracted, the temperature of the system
A) increases.
B) decreases.
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Q:
Which law of thermodynamics addresses the direction of heat flow?
A) First law
B) Second law
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D) all of the above
Q:
Which law of thermodynamics states that no system can reach absolute zero?
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Q:
At some point between Earth and the Moon, the forces due to gravity on a space traveler would be the same when this point is
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B) half as much.
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Newton discovered
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E) none of the above