OCE 2001 FINAL Actual Exam Questions and CORRECT Answers
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Course
OCE 2001
Institution
OCE 2001
OCE 2001 FINAL Actual Exam Questions
and CORRECT Answers
Which current circumnavigated the entire planet? - CORRECT ANSWER- Antarctic
Circumpolar
Why do maps show distortion? - CORRECT ANSWER- Attempting to turn the 3d globe
into a 2d map
OCE 2001 FINAL Actual Exam Questions
and CORRECT Answers
Which current circumnavigated the entire planet? - CORRECT ANSWER✔✔- Antarctic
Circumpolar
Why do maps show distortion? - CORRECT ANSWER✔✔- Attempting to turn the 3d globe
into a 2d map
Briefly describe the voyage of the HMS Challenger - CORRECT ANSWER✔✔- 1872-1876:
The first expedition purely for marine science. Mariana Trench discovered & 4,417 new
species.
Why did early explorers stay close to land? - CORRECT ANSWER✔✔- landmarks
What were the first elements formed after the "Big Bang?" - CORRECT ANSWER✔✔-
Hydrogen & Helium
Why do some scientists think life may be possible other places in our solar system? -
CORRECT ANSWER✔✔- Water/Polar ice caps
Why atmospheric changes occurred for multi-celled life to be possible? - CORRECT
ANSWER✔✔- The origin of photosynthesis that richened the atmosphere with oxygen
What do scientists call the formation of organic molecules from inorganic sources? -
CORRECT ANSWER✔✔- abiogenesis
What are the 3 types of plate boundaries? - CORRECT ANSWER✔✔- Convergent,
Divergent, and Transform
How do Island Arcs form? - CORRECT ANSWER✔✔- Hot, remelted material from the
subducting slab rises and leaks into crust, forming a series of volcanoes
, Describe the formation of Hawaii - CORRECT ANSWER✔✔- The Pacific Plate moved over
a hotspot, forming the string of islands
What is meant by an anomaly? Provide an example - CORRECT ANSWER✔✔- Something
that deviates from what is expected; The Great Salinity Anomaly
What are the parts of the continental margin? - CORRECT ANSWER✔✔- Continental rise,
continental slope, and continental shelf
Most of the ocean floor is covered by what type of sediment? What is the most abundant
sediment by mass? - CORRECT ANSWER✔✔- Biogenous sediment; pelagic
Oil is formed in what type of sediments? What type of rocks are typically associated with
these deposits? - CORRECT ANSWER✔✔- Biogenous sediment; Cosmic Terrigenous
sediments
What is water's maximum density? - CORRECT ANSWER✔✔- Approximately 4 degrees
Celsius (Pure water reaches its max density)
What is latent heat? - CORRECT ANSWER✔✔- The heat required for a state change of
water without change in temperature
What takes more energy (calories, not temperature), melting ice or boiling water? -
CORRECT ANSWER✔✔- Boiling
Discuss the pycnocline and relate it to the thermocline and halocline - CORRECT
ANSWER✔✔- Pycnocline is the general term used for rapid vertical changes in the density
of a column of water. Thermocline relates to temperature, halocline relates to salinity
Why is surface salinity greater at the equator and least near the tropics? - CORRECT
ANSWER✔✔- Salinity is always high in areas with a good amount of evaporation and a low
amount of precipitation
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