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Question
One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them. What would be some of the advantages and disadvantages of this practice?A) disadvantage: toxic air pollutants; advantage: reduced landfill volume
B) disadvantage: loss of vital petroleum-based resource; advantage: generation of electricity
C) disadvantage: discourages recycling; advantage: provides new jobs
D) all of the above
Answer
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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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B) decreases by 100/273.
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D) increases by 100/273.
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Which of these is the smallest?
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If water at 0C 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.
B) becomes less ordered.
C) reaches equilibrium.
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A) increases.
B) decreases.
C) remains unchanged.
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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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