Some power plants extract energy from the warm ocean currents. A major disadvantage to these power plants is that
A. the amount of heat released to the environment is unacceptable.
B. the cost of warm ocean water is quite high.
C. the efficiency is quite low.
D. there is no low temperature reservoir.
Answer: C
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When the reflection of an object is seen in a plane mirror, the distance from the mirror to the image depends on
a. the wavelength of light used for viewing. b. the distance from the object to the mirror. c. the distance of both the observer and the object to the mirror. d. the size of the object.
One product of photosynthesis is
a. hydrogen. b. oxygen. c. carbon dioxide. d. methane.
Addition polymers are formed from
a. diacids only. b. alkenes. c. dialcohols only. d. diacids and dialcohols together.
What is soil additions?
What will be an ideal response?