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Question
In a sequence of sedimentary rocks, the bottom layer is the youngest and the top layer is the oldest. This type of sequence suggests that theA) principles of original horizontality and superposition are flawed.
B) beds must have been overturned by some structural disturbance.
C) dates for these rocks must be in error.
D) principles of original horizontality and superposition hold true.
Answer
This answer is hidden. It contains 1 characters.
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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When the temperature of a fixed volume of air initially at 0 C is lowered by 1 degree, its pressure
A) decreases by 1/273.
B) decreases by 100/273.
C) increases by 1/273.
D) increases by 100/273.
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Which of these is the smallest?
A) 1 Celsius degree
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Distinguish between the concepts of thermal energy, temperature, and heat.
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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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C) reaches equilibrium.
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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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A) First law
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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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Newton discovered
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C) neither of these
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