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Question
Radiometric dating assumes that, once a mineral has crystallized, any daughter product results only from the decay of the original unstable parent. Some complications areA) variations in temperature.
B) failure to take samples too close together.
C) "time clock resetting" due to metamorphism, and product leakage that yields false age estimation.
D) a poorly maintained teleometer.
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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B) joules.
C) 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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B) potential energy.
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Distinguish between the concepts of thermal energy, temperature, and heat.
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B) layer of water slightly below the surface.
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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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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.
C) remains unchanged.
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:
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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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B) half as much.
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Q:
Newton discovered
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C) neither of these
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B) farthest from the Earth.
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C) neither of these
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E) none of the above