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.
Other planets
B.
Volcanic activitiy and comets
C.
Solar nebulae
D.
The sun
E.
Volcanic activity and other planets
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Density Stratification
B.
Accretion
C.
Nuclear fusion
D.
Condensation
E.
Compression
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Oxygen and methane
B.
Carbon dioxide and oxygen
C.
Methane and ammonia
D.
Oxygen and nitrogen
E.
Carbon dioxide, water vapor and nitrogen
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.
Anaerobic respiration by deep sea organisms
B.
Production of oxygen from photosythesizing cyanobacteria
C.
Fluctuation in cosmic ray
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.
Hydrothermal vents
B.
Dry mountain rocky outcrops
C.
Polar sea ice
D.
Estuarine bays
E.
Rainforest sediments
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.
Low gravity
B.
Toxic atmosphere
C.
Optimum distance from star
D.
Double sun
E.
Irregular orbit
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Condensation
B.
Accretion
C.
Density Stratification
D.
Subduction
E.
Plate Tectonics
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.
Proximity of the sun
B.
The presence of a strong magnetic field
C.
Large decrease in atmospheric carbon dioxide
D.
Excess atmospheric carbon dioxide
E.
Lack of free oxygen in the atmosphere
Question #9
The dependence of all living cells on ____ to survive strongly suggests that simple, living molecules originated in the ocean.
A.
Oxygen
B.
Fresh water
C.
Methane
D.
Carbon dioxide
E.
Saline water
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.
15 degrees
B.
180 degrees
C.
90 degrees
D.
45 degrees
E.
30 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.
Convergence, Divergence and Transformative
C.
Centripetal, Centrifugal and Convection currents
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.
Seismology
B.
Continental Drift
C.
Density stratification
D.
Tectonic Theory
Question #13
As mountains erode, how will isostatic forces cause Earth's crust beneath the mountain to behave?
A.
Sink
B.
Rise
C.
Stay the same
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.
B.
Convection currents
C.
Tectonic plates
D.
Volcanoes
E.
Isostatic equilibrium
Question #15
Where is the youngest seafloor found?
A.
At mid-ocean ridges
B.
At continental marrgins where the seafllor abuts the continent
C.
Not enough information to tell
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.
Divergent
B.
Spreading center
C.
Transform
D.
Convergent
Question #17
At what type of Plate Boundary do earthquakes occur at multiple depths: shallow, intermediate and sometimes also deep?
A.
Divergent
B.
Transform
C.
Subduction zones
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.
Compression
B.
Shear
C.
Extension
D.
Torque
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