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Marine Science Exam Test Questions Correct Answers New Update

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  • Course
  • Marine Science
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  • 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...

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  • September 12, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Marine Science
  • Marine Science
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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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