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.
The sun
B.
Solar nebulae
C.
Other planets
D.
Volcanic activitiy and comets
E.
Volcanic activity and other planets
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Nuclear fusion
B.
Condensation
C.
Density Stratification
D.
Accretion
E.
Compression
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Methane and ammonia
B.
Oxygen and nitrogen
C.
Oxygen and methane
D.
Carbon dioxide, water vapor and nitrogen
E.
Carbon dioxide and oxygen
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.
Production of oxygen from photosythesizing cyanobacteria
B.
Fluctuation in cosmic ray
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.
Hydrothermal vents
B.
Rainforest sediments
C.
Estuarine bays
D.
Polar sea ice
E.
Dry mountain rocky outcrops
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.
Double sun
B.
Irregular orbit
C.
Optimum distance from star
D.
Toxic atmosphere
E.
Low gravity
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Condensation
B.
Plate Tectonics
C.
Density Stratification
D.
Accretion
E.
Subduction
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.
Lack of free oxygen in the atmosphere
B.
Proximity of the sun
C.
Excess atmospheric carbon dioxide
D.
The presence of a strong magnetic field
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.
Methane
B.
Saline water
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.
45 degrees
B.
180 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.
Convergence, Divergence and Transformative
B.
Conduction, Convection and Radiative
C.
Convection in the mantle, slab pull and ridge push
D.
Centripetal, Centrifugal and Convection currents
Question #12
Which concept describes early Earth as separated into layers by gravity, with each deeper layer denser than the layer above?
A.
Density stratification
B.
Seismology
C.
Continental Drift
D.
Tectonic Theory
Question #13
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
Stay the same
B.
Spread out
C.
Rise
D.
Sink
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.
Isostatic equilibrium
C.
Convection currents
D.
Volcanoes
E.
Tectonic plates
Question #15
Where is the youngest seafloor found?
A.
This is a trick questions. All the seafloor is the same age.
B.
Not enough information to tell
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.
Mid-Atlantic Ridge
C.
Cascade Mountains
D.
Aleutian Islands
Question #19
The lateral movement at transform boundaries causes what type of force?
A.
Torque
B.
Compression
C.
Shear
D.
Extension
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