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NS140 Chapter 7
estoy loco lalalalala
| Question | Answer |
|---|---|
| A handful of modeling clay held in both hands can be stretched out (exhibiting plastic behavior) or snapped in half (exhibiting brittle behavior). Which of the following factors is the most critical in determining this outcome? | The rate at which the strain is applied |
| Sound is transmitted by which type of wave? | P wave |
| Which type of earthquake wave most resembles those that surfers ride on the ocean? | Rayleigh waves |
| Which part of an analog seismograph (i.e., not a modern, digital one) stays stationary during an earthquake? | The weighted pen |
| Which property is measured by the amplitude of a wave form on a seismograph with vertically oriented drum measures? | Rise and fall of the ground in a time scale of minutes |
| Assuming the Mercalli scale could be used to assess other events in addition to earthquakes, which event would most likely register the highest on the Mercalli scale? | The atomic bomb that was dropped on the city of Hiroshima |
| How are the epicenters of earthquakes determined by a seismograph? | The interval between arrival times of P and S waves converges to a unique geographic point among three or more seismograph readings at different locations. |
| Which of the following statements correctly describes the epicenter of an earthquake? | It is the location on the surface directly above the focus where the greatest amount of energy is released during an earthquake. |
| Deep-seated earthquakes are more likely to occur at which of the following? | Benioff zones |
| Where are large and deep-seated earthquakes most common in the world? | Around subduction zones such as around the Pacific and the Indonesian island of Sumatra |
| In which three ways can rock deform when under stress? | Elastically, by fracturing, plastically |
| Which of the following statements correctly describes the relationship between potential earthquakes associated with California's San Andreas Fault and resulting tsunamis? | The San Andreas is a transform fault, and earthquakes there will not produce tsunamis regardless of magnitude. |
| Which of the following is the most likely explanation for why damage is much greater for earthquakes of comparable magnitude in Haiti or Pakistan than in Japan? | The building codes in Haiti and Pakistan are not effective or enforced. |
| Rocks in fault zones that exhibit fault creep are characterized by which of these traits? | Continuous, slow pace of movement |
| Which conclusion would most likely be reached if a magnetic field is detected around a rocky planet or moon? | It has metallic core and convective mantle. |
| The process by which an earthquake causes saturated soil to lose its shear strength is called ________. | liquefaction |
| Which of these effects of earthquakes causes the highest mortality? | Structural failure of buildings |
| Which statement correctly describes the relationship of foreshocks to the short-term prediction of earthquakes? | Foreshocks occur unreliably, estimated to precede only half of all earthquakes. |
| The boundary between Earth's crust and mantle is the ____________. | Mohorovičić discontinuity |
| Which of Earth's layers is the densest layer? | Inner core |
Created by:
robynlee
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