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Cards In This Set
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The big bang theory occurred about
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14 billion years ago
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The gaseous cloud from which the sun formed is called a
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Nebula
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Teh presence of large amounts of water on earth's surface____ global temperatures.
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Moderates
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This was no present in the earth's primitive atmosphere when life arose
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Oxygen
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The protosun was not conisdered a star because
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It was too cold for nuclear fusion
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The dense rocky planets of the soalr system, like earth, are found
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Closer to the sun
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This suggests that simple, self-replicating molecules arose in the early ocean
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All life depends of saline water in the cells to transport and dissolve chemicals
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As earth formed in teh early solar system, the present layers of core, mantle and crust started to seperate by a process called
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Density stratification
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Background microwave radiation is important evidence in support of the ____ theory
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Big bag
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The major sources of water that formed the ocean are thought to be outgassing and
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Capture of icy comets
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Wachtenhauser proposed teh idea that life may have begun
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In deep sea hydrothermal vents
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Most of the matter of the known universe consists of
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Hydrogen
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What expedition is said to be responsible for bringing the US into the marine science field?
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The United States Exploring Expedition
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Who is usually acknowledged to have been the first scientific oceanographer?
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Captain James Cook
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Who is considered by many to be the first full time oceanographer and father of physical oceanography?
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Matthew Maury
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