What is one of the newest techniques employed to measure tides?
A) Using simple drogues
B) Using pressure-sensing transducers
C) Using drift bottles
D) Using variations in Earth's magnetic field
D
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Use your knowledge of plate boundaries to answer whether an earthquake is likely or unlikely to occur at the location of the red circle.
A) Likely
B) Unlikely
Shallow-focus earthquakes are generally the most destructive, because: __.
a. they contain higher energy b. they move vertically c. they are closer to the surface and most of the energy is released on the surface d. none of the above
The fact that the trees in central Alaska look like the trees in western Siberia, despite being separated by thousands of kilometers, illustrates the theory of
A) convergent evolution. B) multiple origins. C) global dispersal. D) plate tectonics.
Earth's mantle ________
A) is located in Pangaea B) is formed by plate boundaries C) is composed of molten metals D) is the outermost part of the earth's crust E) surrounds the core as a thick, elastic rock formation