Which of the following does moment magnitude measure or estimate?
A) the amplitude of the largest seismic wave recorded on a seismogram
B) the total energy released during an earthquake
C) the total damage to an area
D) difference in magnitude between P and S waves
Answer: B
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Diffraction is a property of
A. earthquake waves. B. sound. C. light. D. all of the above
Hazardous waste deposited in ponds or lagoons
a. may evaporate into the atmosphere b. may enter groundwater when there are no liners or when liners leak c. may contaminate surface water d. all of these answers e. none of these answers
What is its elevation?
Perform a web search to determine the highest point in your state. Then, use the map to determine its elevation in meters.
Which rock type may be both a chemical and a biochemical sedimentary rock?
A. limestone B. rock salt C. marble D. coal