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...
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
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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