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Question
Magnetic surveys of the ocean floors revealA) alternating stripes of normal and reversed polarity paralleling the mid-Atlantic ridge.
B) thin oceanic crust composed of basaltic rocks.
C) that reversed polarity is rare.
D) all of the above.
Answer
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Related questions
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C) calories.
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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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A) becomes more ordered.
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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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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:
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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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