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