Ocean 115 - Introduction to Oceanography » Spring 2021 » Week 2 Post Reading Quiz
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Question #1
The water for Earth’s ocean originated from __________.,,
A.
Volcanic activitiy and comets
B.
The sun
C.
Other planets
D.
Volcanic activity and other planets
E.
Solar nebulae
Question #2
The process by which stars form helium atoms from hydrogen is _______.,,
A.
Compression
B.
Density Stratification
C.
Condensation
D.
Nuclear fusion
E.
Accretion
Question #3
Earth’s early atmosphere contained high concentrations of ____.,,
A.
Carbon dioxide, water vapor and nitrogen
B.
Oxygen 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.
Chemcial break up of water vapor by sunlight
B.
Fluctuation in cosmic ray
C.
Anaerobic respiration by deep sea organisms
D.
Formation of carbonic acid in the ocean
E.
Production of oxygen from photosythesizing cyanobacteria
Question #5
Which extreme environment may have favored the origin of life on Earth?,,
A.
Rainforest sediments
B.
Hydrothermal vents
C.
Polar sea ice
D.
Estuarine bays
E.
Dry mountain rocky outcrops
Question #6
Which condition is necessary for a planet to have a permanent liquid ocean?,,
A.
Toxic atmosphere
B.
Double sun
C.
Irregular orbit
D.
Low gravity
E.
Optimum distance from star
Question #7
Through gravitational compression, Earth’s layers were formed by the process of ____.,,
A.
Plate Tectonics
B.
Density Stratification
C.
Accretion
D.
Subduction
E.
Condensation
Question #8
What could ultimately be linked to the present absence of water on Mars?,,
A.
Excess atmospheric carbon dioxide
B.
Large decrease in atmospheric carbon dioxide
C.
Lack of free oxygen in the atmosphere
D.
The presence of a strong magnetic field
E.
Proximity of the sun
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.
Carbon dioxide
D.
Saline water
E.
Fresh water
Question #10
If there is a three hour difference between ,,
A.
30 degrees
B.
15 degrees
C.
90 degrees
D.
45 degrees
E.
180 degrees
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