EOSC 114 FINAL EXAM QUESTIONS AND ANSWERS 2024 COMPLETE SOLUTIONS
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EOSC 114
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EOSC 114
EOSC 114 FINAL EXAM QUESTIONS AND ANSWERS 2024 COMPLETE SOLUTIONS
What does satellite radar interferometry (InSAR) measure? - Answer- ground deformation of a volcano or volcanic area over time
Mauna Loa is the world's largest ______ volcano. - Answer- shield
Compared to all other volcanoes...
EOSC 114 FINAL EXAM QUESTIONS
AND ANSWERS 2024 COMPLETE
SOLUTIONS
What does satellite radar interferometry (InSAR) measure? - Answer- ground
deformation of a volcano or volcanic area over time
Mauna Loa is the world's largest ______ volcano. - Answer- shield
Compared to all other volcanoes in the Cascades, Mt. Rainier is considered to be the
most dangerous volcano because ______. - Answer- it has the largest volume of ice
and snow
Hazards associated with air-fall tephra include all of the following EXCEPT ______. -
Answer- drowning
The explosivity of hot spot volcanism is dictated by which of the following? - Answer- the
composition of the overlying plate
For most storms we discussed in class, the fuel for the storm is in the form of ______. -
Answer- warm humid air
The MOST violent part of a typhoon is the ______. - Answer- eye wall
Strong descending currents of cold air from thunderstorms are called ______. - Answer-
downburst
The exhaust of air from the top of the hurricane occurs because ______. - Answer- the
pressure gradient force between the warm core at the top of the hurricane and the
surrounding cold air pushes air outward from the core
Hiding under a large tree branch would be an appropriate safety response for which
hazard? - Answer- hail(冰雹)
Long-lasting, rotating thunderstorms are called ______. - Answer- mesocyclone(中气旋)
It is good to be in a metal car in a lightning storm because ______. - Answer- lightning
flows on the metal car body
,Which indicates the more severe weather disaster? - Answer- Saffir-Simpson 3
Based on the map of SW British Columbia below, we can conclude that earthquake
intensity in Richmond is likely higher than that in Vancouver because ______. - Answer-
Richmond is underlain by less consolidated rock(巩固程度较低)
Folds are ______. - Answer- plastic deformation in response to a compressive stress
In order to estimate an earthquake's location using seismograms, what do you need to
know along with the P-wave and S-wave arrival times? - Answer- the velocities of the P-
wave and S-waves
Strain is ______. - Answer- deformation
The surface of the Moon exhibits far more impact craters than does the Earth's surface
because the Moon ______. - Answer- has no plate tectonics and has no atmosphere to
erode the craters(没有板块结构，没有大气侵蚀火山口)
Fossil fern spores can be used as a proxy for which of the following? - Answer- forest
fires
Refer to the figure below of a geological section. Rocks I and G are igneous intrusions
that are now igneous rocks. The diagonal bold line D is a geological fault. Which of the
following statements is TRUE? - Answer- D is older than I but younger than E.
The Precambrian occupies around what percent (%) of geological time? - Answer- 87
What do all impact mitigation strategies have in common? - Answer- advanced notice
and accurate object tracking
An impact event in the 20th century that could have caused a mass extinction on Earth
(if it hit us) occurred in/on ______. - Answer- Jupiter
Which of the following extinction events bracket the Mesozoic? - Answer- Permo-
Triassic and the Cretaceous-Paleogene
In which of the following continental configurations would you expect a HIGH
biodiversity? - Answer- highly fragmented continental configuration(高度分散的大陆构造
)
Which of the following statements about mass extinctions is FALSE? - Answer- Mass
extinctions have occurred more frequently in the last 65 million years.
In terms of biostratigraphy, what is a fossil's "range"? - Answer- the length of time a
fossil species occupies in the geological record
, Your chance of dying as a result of an extraterrestrial impact is ______. - Answer- about
the same risk you take each time you fly somewhere on vacation
If you push twice as hard on an object and it moves twice as far, the work you do is
______ as much. - Answer- four times
A landslide of velocity class 6 has a return period of 10 years. During the 200 years of
record, this disaster was observed how many times? - Answer- 20
Which of the following best describes the changes energy might go through to become
an earthquake? - Answer- heat from the earth->kinetic energy in the mantle->potential
energy in the rock->kinetic energy of the earthquake（热动势动）
Layers form in the Earth, ocean, and atmosphere because ______. - Answer- less
dense objects float relative to more dense ones(密度高的向下沉)
Matter able to temporarily change its shape and to return to its original shape when the
force is released is ______. - Answer- elastic(弹性)
In the Vaiont Dam disaster, ______ was both a cause and a trigger for the slide. -
Answer- water
The MAIN difference between a translational slide and a rotational slide is ______. -
Answer- the shape of the failure surface
Which landslide type is most likely to exhibit slow movement? - Answer- rotational slide
Which of the following statements BEST defines "angle of repose"? - Answer- the angle
where the factor of safety equals 1
In slope stability analyses, the effective stress is ______. - Answer- All
The scenario in the figure below is probably due to ______. - Answer- creep
A highway is threatened by a moderate sized rock slide (blocks 1×2×10 metres in size).
Which of the following methods would be the BEST choice for mitigation, both effective
and not too expensive? - Answer- rock bolts or anchors
Grain size in igneous rocks is a function of ______ over time. - Answer- cooling
What of the following is the MOST reliable technique for volcano monitoring and
forecasting? - Answer- seismic monitoring
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