Most of the structural damage from earthquakes worldwide is caused by
A. surface waves.
B. P waves.
C. S waves.
D. seismic sea waves.
Answer: A
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Evaluate this statement. "Glacial meltwater is milky white due to air bubbles trapped in the water."
A) This statement is true. B) This statement is false. The color is due to glacial flour in the water. C) This statement is false. The color is due to ice crystals. D) This statement is partially true, because the milky-white color is also due to ice crystals.
Water is an example of a nonrenewable resource
Indicate whether the statement is true or false
Multibeam provides the best modern technique for obtaining seafloor bathymetry, so why hasn't it been used for the entire ocean?
A) It doesn't work where there is ice. B) It is too expensive, requiring many ships many years to survey the entire ocean. C) It doesn't work in deep water. D) Oceanographers simply haven't had time to process all the data.
Water at 20°C that slightly increases in temperature
A. contracts. B. expands. C. remains the same. D. none of the above