What is a disadvantage of using tidal power?
a. It has high operating costs.
b. It requires a large amount of man power.
c. It cannot sustain the world's needs.
d. It adds pollutants to the air
ANS: C
The operating costs of using tidal power are relatively low. The source of the power, the tides, is free
to use. There are no pollutants added to the atmosphere. It seems like the perfect solution to energy
deficiencies; but even if tidal stations were lined up around the world, it would not be enough.
Information can be found in the section Power Can Be Extracted from Tidal Motion
You might also like to view...
Two species of frogs do not interbreed because one species breeds in March and the other species breeds in May. This is an example of
A. allopatric speciation. B. a postzygotic reproductive barrier. C. a prezygotic reproductive barrier. D. sympatric speciation.
Using the Periodic Table, what can you say about the element magnesium (Mg)?
A. it has 2 neutrons and 3 protons B. it has 3 electron shells C. it has 3 electrons in the outer shell D. All of these choices are correct.
Which of the following is an example of primary circulation?
A) migratory high and low pressure systems B) the monsoons C) general circulation of the atmosphere D) land-sea breezes
The thermocline would be expected to be closest to the surface off the western coast of south America during
A. La Nina and El Nino. B. El Nino. C. La Nina. D. neutral ENSO.