Ocean 115 - Introduction to Oceanography » Spring 2023 » Week 2 Post-reading Quiz
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Question #1
The water for Earth’s ocean originated from __________.
A.
The sun
B.
Volcanic activity and other planets
C.
Solar nebulae
D.
Volcanic activitiy and comets
E.
Other planets
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Condensation
B.
Density Stratification
C.
Compression
D.
Nuclear fusion
E.
Accretion
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Oxygen and nitrogen
B.
Carbon dioxide, water vapor and nitrogen
C.
Oxygen and methane
D.
Methane and ammonia
E.
Carbon dioxide and oxygen
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.
Anaerobic respiration by deep sea organisms
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.
Estuarine bays
B.
Rainforest sediments
C.
Dry mountain rocky outcrops
D.
Hydrothermal vents
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.
Low gravity
D.
Toxic atmosphere
E.
Double sun
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Subduction
B.
Accretion
C.
Density Stratification
D.
Plate Tectonics
E.
Condensation
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.
The presence of a strong magnetic field
B.
Lack of free oxygen in the atmosphere
C.
Large decrease in atmospheric carbon dioxide
D.
Proximity of the sun
E.
Excess 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.
Fresh water
B.
Carbon dioxide
C.
Methane
D.
Saline water
E.
Oxygen
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.
90 degrees
B.
45 degrees
C.
180 degrees
D.
15 degrees
E.
30 degrees
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