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Question
Paleozoic sedimentary rocks derived from marine deposits are widely distributed in all of the continents. What does this indicate about the height of the continents relative to sea level during the Paleozoic?Answer
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Related questions
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Heat energy is measured in units of
A) degrees.
B) joules.
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
B) 1 kelvin
C) 1 Fahrenheit degree
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Distinguish between the concepts of thermal energy, temperature, and heat.
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B) warmed.
C) both of these
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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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The operation of a bimetallic strip relies on differences in
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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.
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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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
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Which law of thermodynamics states that no system can reach absolute zero?
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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) nearer the Moon.
C) mid-way between Earth and the Moon.
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Two objects move toward each other due to gravity. As the objects get closer and closer, the acceleration of each
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According to Newton, the greater the distance between gravitationally interacting objects, the
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B) half as much.
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C) remain the same.
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Newton discovered
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B) rise and fall back to Earth's surface.
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From Earth, one satellite appears to overtake another. The faster satellite that is seen to overtake the other is
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The fastest moving planet in a solar system is the
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D) planet farthest from the Sun.
E) none of the above