Energy ResourcesEveryday Science
The largest problem with adopting the new technology of renewable resources is ________.
in evaluating the scientific and economic impacts
that the startup costs are high
that long term maintenance costs are higher than those for fossil fuels
that technological advances have not been made in the last 30 years to meet our energy needs
that the startup costs are high
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
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
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
D. nuclear energy
A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
D. 15-18 times
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