Marine Science Exam Test Questions Correct Answers New Update
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Course
Marine Science
Institution
Marine Science
Marine Science Exam Test Questions Correct Answers New Update
Scientific data suggest that the age of Earth is about ________ years. - Answers -4.6 billion
Scientific data suggest that the age Earth's earliest fossilized life form is ________ years - Answers -3.5 to 3.9 billion
From earlie...
Marine Science Exam Test Questions
Correct Answers New Update
Scientific data suggest that the age of Earth is about ________ years. - Answers -4.6
billion
Scientific data suggest that the age Earth's earliest fossilized life form is ________
years - Answers -3.5 to 3.9 billion
From earliest to most recent, which of these is a correct order of formation? - Answers -
nebula, protostar, star, supernova
planets formed in the early solar system as particles orbiting the sun were attracted to
each other and grew in size. This process is called: - Answers -accretion
The moon formed after Earth was struck by another object about the size of: - Answers
-Mars
Hydrothermal vents are: - Answers -places in the deep ocean where life may have
originated
In the early fifteenth century the Chinese Admiral Zheng led a great fleet on several
extensive voyages, for the purpose of: - Answers -to advertise the supremacy of the
Ming dynasty
John Harrison invented the ___________, a device that was critical for the accurate
determination of longitude. - Answers -chronometer
Many geologists consider _______ to be a major force driving plate movement. -
Answers -slab sinking at convergent boundaries and plates forming and sliding off
raised ridges of spreading centers
Important advances in detailing bathymetric and magnetic features of the seafloor
resulted from: - Answers -naval oceanographic research associated with submarine
warfare
The driving force for plate tectonics seems to be: - Answers -the action of convection
cells in the asthenosphere
The main reasons American geologists opposed Wegener's theory of continental drift
included their differing views of: - Answers -isostasy (Earth's mountains immovable) and
scientific methodology
, Wegener's theory of continental drift was based primarily on: - Answers -maps of South
America, Africa, and the Atlantic Ocean
The oceanic crust is: - Answers -composed primarily of basalt rock
The large-crystal igneous rock characteristic of the continental crust is: - Answers -
granite
The oldest rocks of the continents are over 3 billion years old. The oldest rocks from the
seafloor are only about _____ years old. - Answers -200 million
The zone of earthquakes found along the region where one plate subducts under
another is called: - Answers -the Wadati-Benioff Zone
The bar-code magnetic striping of the seafloor is considered evidence of seafloor
spreading because: - Answers -it is symmetrical on either side of mid-ocean ridges
The place where seafloor spreading originates and where new crust is produced is: -
Answers -in the central regions of the mid-ocean ridges
Cores drilled into the seafloor have shown the: - Answers -youngest seafloors are in the
central regions of mid-ocean ridges
The supercontinent of Pangaea began to break up about _________ years ago. -
Answers -200 million
Ethiopia, Kenya, and other parts of east Africa are associated with: Y - Answers -
divergence and rifting
The Atlantic Ocean: - Answers -has been widening for millions of years
What kind of gas can form solid compounds (ice) of potential commercial value at the
right subsea temperatures and pressures? - Answers -methane
the Himalayan Mountains are associated with: - Answers -convergence and collision
The depth of the shelf break is surprisingly constant worldwide, but is much deeper on
Antarctica and Greenland due to: - Answers -the weight of the ice
Bathymetry is: - Answers -the discovery and study of sea floor contours
The most logical interpretation of apparent polar wandering is: - Answers -the North
Pole (or South Pole during periods of magnetic reversal) has remained fixed and the
continents have moved in relation to the pole
Oozes are named after: - Answers -the dominant organism that comprises them
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