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.
Volcanic activity and other planets
B.
Solar nebulae
C.
Volcanic activitiy and comets
D.
The sun
E.
Other planets
Question #2
The process by which stars form helium atoms from hydrogen is _______.
A.
Accretion
B.
Density Stratification
C.
Condensation
D.
Compression
E.
Nuclear fusion
Question #3
Earth’s early atmosphere contained high concentrations of ____.
A.
Oxygen and methane
B.
Methane and ammonia
C.
Carbon dioxide, water vapor and nitrogen
D.
Carbon dioxide and oxygen
E.
Oxygen and nitrogen
Question #4
What had the most influence in irreversibly changing Earth's atmosphere?
A.
Production of oxygen from photosythesizing cyanobacteria
B.
Anaerobic respiration by deep sea organisms
C.
Formation of carbonic acid in the ocean
D.
Fluctuation in cosmic ray
E.
Chemcial break up of water vapor by sunlight
Question #5
Which extreme environment may have favored the origin of life on Earth?
A.
Dry mountain rocky outcrops
B.
Rainforest sediments
C.
Estuarine bays
D.
Hydrothermal vents
E.
Polar sea ice
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?
A.
Toxic atmosphere
B.
Irregular orbit
C.
Optimum distance from star
D.
Low gravity
E.
Double sun
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.
A.
Subduction
B.
Condensation
C.
Accretion
D.
Density Stratification
E.
Plate Tectonics
Question #8
What could ultimately be linked to the present absence of water on Mars?
A.
Proximity of the sun
B.
Large decrease in atmospheric carbon dioxide
C.
Lack of free oxygen in the atmosphere
D.
The presence of a strong magnetic field
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.
Methane
B.
Oxygen
C.
Fresh water
D.
Saline water
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.
30 degrees
C.
180 degrees
D.
15 degrees
E.
90 degrees
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