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Question
Clouds that develop about 1000 meters above the ground are generallyA) cirrus and cirrocumulus type clouds.
B) cumulus and stratus type clouds.
C) cumulus and cirrocumulus type clouds.
D) cirrocumulus and altocumulus type clouds.
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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C) Kelvin
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Distinguish between the concepts of thermal energy, temperature, and heat.
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A) surface of bodies of water.
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Water at 4C will expand when it is slightly
A) cooled.
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.
D) moves toward destruction.
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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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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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A) less the gravitational force between them.
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B) half as much.
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If Earth's mass somehow decreased with no change in its radius, your weight would
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B) increase.
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Newton discovered
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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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E) none of the above