Energy ResourcesEveryday Science
A major advantage that hydrogen generated electricity has over other new renewable energy sources is that it:
is less expensive
creates greenhouse gases but no acid deposition
can be produced where and when electricity is needed
converts the kinetic energy of earth processes to electrical energy
can be produced where and when electricity is needed
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A. uniform
B. not uniform
C. zero
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A fuel cell, in order to produce electricity, burns:
A. Helium
B. Nitrogen
C. Hydrogen
D. None of the above
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
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A. Iron
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C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
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A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
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