Which of the following describes the basic way in which electricity is generated using the ocean thermal energy conversion technique, or OTEC?
A. temperature difference between the surface and deep ocean waters
B. heat energy obtained from surface winds blowing across warm ocean waters
C. convection cells within the ocean
D. temperature difference between the incoming and outgoing tides
E. the ocean's geothermal energy
Answer: A
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Which is not a factor that leads geologists to expect that convection in the mantle is likely?
A) Viscosity in the lithosphere is high. B) Viscosity beneath the lithosphere is lower because the rock is close to its melting temperature. C) Some of the lithosphere is denser than the asthenosphere. D) The thickness and mass of the mantle are huge.
Briefly explain why the movement of continents over geologic time was the best explanation for polar
wandering. What will be an ideal response?
ArcGIS users can convert data they create in GIS and use the data with Google Earth.
Answer the following statement true (T) or false (F)
Which of the following is an example of a small circle?
A. Tropic of Cancer B. Prime Meridian C. Equator D. International Date Line