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Intro to Oceanography: Exam 1 Questions with Correct Answers $14.49   Add to cart

Exam (elaborations)

Intro to Oceanography: Exam 1 Questions with Correct Answers

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  • Course
  • OCEANGRAPHY
  • Institution
  • OCEANGRAPHY

Where did early water come from? Correct Answer-Volcanoes and space (most likely astroids) Dating Earth Correct Answer-Radioactive decay: Decay is exponential. Uranium --> Lead half life is 4.5 billion yrs. old. Earth ~ 4.54 billion yrs. old. Fresh Water: Major fluxes in Water Cycle Co...

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  • October 6, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • OCEANGRAPHY
  • OCEANGRAPHY
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Intro to Oceanography: Exam 1 Questions with
Correct Answers
Where did early water come from? Correct Answer-Volcanoes and
space (most likely astroids)


Dating Earth Correct Answer-Radioactive decay: Decay is exponential.
Uranium --> Lead half life is 4.5 billion yrs. old.
Earth ~ 4.54 billion yrs. old.


Fresh Water: Major fluxes in Water Cycle Correct Answer-1.
Evaporation into ocean
2. Precipitation into ocean
3. precipitation on land
4. Evapotranspiration - water moving in plants


5 Oceans Correct Answer-- Atlantic
- Pacific
- Indian
- Arctic
- Southern


Thermo-haline Circulation (THC) Correct Answer-The movement of
water due to differences in density. Responsible for the large-scale

, verticle movement of ocean water and the circulation of the global ocean
as a whole.


Phytoplankton Correct Answer--Autotrophic algae
-Photosynthesize
-produce more than 45% of Earth's oxygen


Zooplankton Correct Answer--Animals
-Heterotrophs
-Eat phytoplankton


Biological Pump Correct Answer--Concentration of CO2 in atoms
-Pumps CO2 from surface water to deep water (Carbon Sink)
1. Phytoplankton take in CO2 and sunlight and photosynthesize
2. Zooplankton eat phytoplankton and poop and organic particles sinks
3. Bacterial Decay (Respiration)
4. Deposition


Development of the Oceans: Correct Answer-1. 71% of earth is covered
by ocean
2. Water came from volcanoes (and asteroids)
3. Earth is approx. 4.5 billion years old


P-Waves Correct Answer--Primary waves in earthquakes

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