Oceanography 1 || Questions and 100% Accurate Answers.
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Course
Oceanography 1 |
Institution
Oceanography 1 |
The Hubble space telescope is named in honor of Edwin Hubble who correct answers First observed the expanding nature of the Universe
Scientific data suggest that the age of the sun is about _____________years. correct answers 5 billion
Which of these was not present in Earth's primitive atmos...
Oceanography 1 || Questions and 100% Accurate Answers.
The Hubble space telescope is named in honor of Edwin Hubble who correct answers First
observed the expanding nature of the Universe
Scientific data suggest that the age of the sun is about _____________years. correct answers 5
billion
Which of these was not present in Earth's primitive atmosphere when life arose? correct answers
Oxygen
Background microwave radiation is important evidence in support of the ______theory. correct
answers Big bang
Scientific data suggest that the age of the Earth's earliest fossilized life form is _______ years.
correct answers 3.5 billion
The radiation leftover from the actual big bang exists today in the form of correct answers
Microwaves
Scientists currently believe that Earth's primitive atmosphere was mostly composed of correct
answers Carbon dioxide, nitrogen and water vapor
Which of the following statements about the ocean is false? correct answers It holds about 80
percent of Earth's water
A scientific theory is correct answers Supported by a good real of evidence and widely accepted
Prior to 3.8 billion years ago, the primitive Earth had correct answers A continuous
bombardment by asteroids, meteors and comets
Which of these properties of water is not important to life on earth? correct answers Water's
transparency and therefore light penetration
Who is usually acknowledged to have been the first scientific oceanographer? correct answers
Captain James Cook
The term oceanography was officially coined by correct answers Wyville Thomson and John
Murray (Challenger)
Even with the great advance in technology, obtaining which of the following still remains a
difficult problem in deep-sea research? correct answers Adequate biological samples for
laboratory analysis
Historically, the European Age of Discovery began with the explorations of correct answers
Prince Henry the Navigator
, Coming into the 20th century, the attention of many marine scientists seemed to be focused on
correct answers Polar seas
In the late 1950s the nuclear submarine Nautilus made a historic voyage that forever changed the
approach to ___________ exploration. correct answers Polar
John Harrison invented the ____________, a device that was critical for the accurate
determination of longitude. correct answers Chronometer
Some of the early voyaging was motivated by the concept of sea power, or correct answers
Widening commercial interests
Although the United States Exploring Expedition was conceived in the Mid-1820's, it was 10
years before it was actually launched, due to difficulties in correct answers Obtaining funding
Early in the history of voyaging, it became standard to use the equator for determining correct
answers Longitude
Modern polar exploration owes much to the sounding and sampling instruments developed by
correct answers Nansen
The primary evidence used by Wegener to support the theory of continental drift was correct
answers The apparent fit of eastern South America with western Africa
Core samples from the Deep-Sea Drilling Project reveal that correct answers The age of the
seafloor is symmetrical with oldest floor farthest away from the spreading centers
Which of these series is arranged from the least dense to most dense? correct answers Air, water,
mantle, outer core, inner core
Wegener's idea of continental drift was rejected most strongly by scientists correct answers From
the United States
Which of these is a measure of density? correct answers Grams per cubic centimeter
The oceanic crust is correct answers Composed primarily of basalt rock
According to plate tectonic theory, the number of major crustal plates is about correct answers 12
Which of the following statements about subduction zones is true? correct answers They have
active volcanism and produce new seafloor
Which of the following is a false statement about seismic waves? correct answers Only S waves
produce a shadow zone
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