Ocean 115 - Introduction to Oceanography » Winter 2022 » Week 1 Post-reading Quiz
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Question #1
The water for Earth’s ocean originated from __________.
A.
Volcanic activity and other planets
B.
Other planets
C.
The sun
D.
Volcanic activitiy and comets
E.
Solar nebulae
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Density Stratification
B.
Condensation
C.
Accretion
D.
Compression
E.
Nuclear fusion
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Oxygen and nitrogen
B.
Carbon dioxide and oxygen
C.
Carbon dioxide, water vapor and nitrogen
D.
Methane and ammonia
E.
Oxygen and methane
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.
Fluctuation in cosmic ray
B.
Production of oxygen from photosythesizing cyanobacteria
C.
Chemcial break up of water vapor by sunlight
D.
Anaerobic respiration by deep sea organisms
E.
Formation of carbonic acid in the ocean
Question #5
Which extreme environment may have favored the origin of life on Earth?
A.
Estuarine bays
B.
Hydrothermal vents
C.
Rainforest sediments
D.
Dry mountain rocky outcrops
E.
Polar sea ice
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.
Irregular orbit
B.
Optimum distance from star
C.
Toxic atmosphere
D.
Low gravity
E.
Double sun
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Accretion
B.
Condensation
C.
Plate Tectonics
D.
Density Stratification
E.
Subduction
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.
Proximity of the sun
B.
Lack of free oxygen in the atmosphere
C.
The presence of a strong magnetic field
D.
Excess atmospheric carbon dioxide
E.
Large decrease in atmospheric carbon dioxide
Question #9
The dependence of all living cells on ____ to survive strongly suggests that simple, living molecules originated in the ocean.
A.
Carbon dioxide
B.
Oxygen
C.
Fresh water
D.
Saline water
E.
Methane
Question #10
If there is a three hour difference between "clock" noon and "shaft" noon, how many degrees west are you from your point of origin? Assume one rotation of 360°/24 hours = 15°/hour.
A.
30 degrees
B.
90 degrees
C.
180 degrees
D.
15 degrees
E.
45 degrees
Question #11
Which option lists the three forces that cause the plates to move?
A.
Convection in the mantle, slab pull and ridge push
B.
Centripetal, Centrifugal and Convection currents
C.
Convergence, Divergence and Transformative
D.
Conduction, Convection and Radiative
Question #12
Which concept describes early Earth as separated into layers by gravity, with each deeper layer denser than the layer above?
A.
Tectonic Theory
B.
Seismology
C.
Continental Drift
D.
Density stratification
Question #13
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
Stay the same
B.
Rise
C.
Sink
D.
Spread out
Question #14
Oceanographers and seismologists further explored the theory of continental drift during the early- to mid-twentieth century by correlating patterns of earthquakes and ____.
A.
Isostatic equilibrium
B.
Tectonic plates
C.
Convection currents
D.
E.
Volcanoes
Question #15
Where is the youngest seafloor found?
A.
Not enough information to tell
B.
This is a trick questions. All the seafloor is the same age.
C.
At mid-ocean ridges
D.
At continental marrgins where the seafllor abuts the continent
Question #16
The compressional movement of plate boundaries, such as observed at the Juan De Fuca plate, is representative of which type of boundary?
A.
Divergent
B.
Spreading center
C.
Convergent
D.
Transform
Question #17
At what type of Plate Boundary do earthquakes occur at multiple depths: shallow, intermediate and sometimes also deep?
A.
Subduction zones
B.
Mid-ocean ridges
C.
Divergent
D.
Transform
Question #18
Which landscape is an example of a divergent boundary?
A.
San Andreas
B.
Aleutian Islands
C.
Cascade Mountains
D.
Mid-Atlantic Ridge
Question #19
The lateral movement at transform boundaries causes what type of force?
A.
Torque
B.
Extension
C.
Compression
D.
Shear
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