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.
Solar nebulae
B.
The sun
C.
Volcanic activity and other planets
D.
Other planets
E.
Volcanic activitiy and comets
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Compression
B.
Accretion
C.
Density Stratification
D.
Condensation
E.
Nuclear fusion
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Carbon dioxide and oxygen
B.
Oxygen and nitrogen
C.
Methane and ammonia
D.
Carbon dioxide, water vapor and nitrogen
E.
Oxygen and methane
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.
Fluctuation in cosmic ray
B.
Anaerobic respiration by deep sea organisms
C.
Production of oxygen from photosythesizing cyanobacteria
D.
Chemcial break up of water vapor by sunlight
E.
Formation of carbonic acid in the ocean
Question #5
Which extreme environment may have favored the origin of life on Earth?
A.
Dry mountain rocky outcrops
B.
Rainforest sediments
C.
Hydrothermal vents
D.
Polar sea ice
E.
Estuarine bays
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.
Optimum distance from star
B.
Double sun
C.
Irregular orbit
D.
Low gravity
E.
Toxic atmosphere
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Subduction
B.
Density Stratification
C.
Condensation
D.
Accretion
E.
Plate Tectonics
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.
Excess atmospheric carbon dioxide
D.
Large decrease in atmospheric carbon dioxide
E.
The presence of a strong magnetic field
Question #9
The dependence of all living cells on ____ to survive strongly suggests that simple, living molecules originated in the ocean.
A.
Saline water
B.
Methane
C.
Fresh water
D.
Oxygen
E.
Carbon dioxide
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.
180 degrees
B.
45 degrees
C.
30 degrees
D.
90 degrees
E.
15 degrees
Question #11
Which option lists the three forces that cause the plates to move?
A.
Centripetal, Centrifugal and Convection currents
B.
Conduction, Convection and Radiative
C.
Convection in the mantle, slab pull and ridge push
D.
Convergence, Divergence and Transformative
Question #12
Which concept describes early Earth as separated into layers by gravity, with each deeper layer denser than the layer above?
A.
Continental Drift
B.
Density stratification
C.
Tectonic Theory
D.
Seismology
Question #13
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
Spread out
B.
Sink
C.
Stay the same
D.
Rise
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.
B.
Tectonic plates
C.
Convection currents
D.
Isostatic equilibrium
E.
Volcanoes
Question #15
Where is the youngest seafloor found?
A.
At continental marrgins where the seafllor abuts the continent
B.
Not enough information to tell
C.
At mid-ocean ridges
D.
This is a trick questions. All the seafloor is the same age.
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.
Spreading center
B.
Divergent
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.
Transform
C.
Divergent
D.
Mid-ocean ridges
Question #18
Which landscape is an example of a divergent boundary?
A.
Cascade Mountains
B.
San Andreas
C.
Mid-Atlantic Ridge
D.
Aleutian Islands
Question #19
The lateral movement at transform boundaries causes what type of force?
A.
Torque
B.
Shear
C.
Extension
D.
Compression
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