According to the traditional view of the origin of the ocean basins, which of the following is sufficient to move the continental plates? A. Increases in sedimentation on ocean floors. B. Spreading of ocean trenches. C. Movement of mid-ocean ridges. D. Sinking of ocean basins. E. ...
1Many theories about the origin of the ocean have been proposed by scientists. The most widely accepted one is that the earth at some time in its very early history became hot enough to melt the materials from which it was formed. While in this molten state, lighter rock-forming materials...
Another task for the GlomarChallenger’sscientists was to try to determine the origin of the domelikemasses buried deepbeneath the Mediterranean seafloor. These structures had beendetected yearsearlier by echo-sounding instruments, but they had never beenpenetrated in thecourse of drilling. Were they...
Genda H, Ikoma M (2008) Origin of the ocean on the Earth: early evolution of water D/H in a hydrogen-rich atmosphere. Icarus 194:42–52Genda, H., Ikoma, M., 2008. Origin of the ocean on the Earth: Early evo- lution of water D/H in a hydrogen-rich atmosphere. Icarus 194, 42...
...大陆移动论的思想更加成熟,1915年,第一版德文《大陆与海洋的起源》(The Origin of Continents and Ocean)出版了,并於…tw.knowledge.yahoo.com|基于4个网页 2. 大陆与海洋之起源 1915年,大陆漂移说的理论终於以「大陆与海洋之起源」(The Origin of Continents and Ocean)为书名,正式公布於世上。但是 …tw...
Roman legionnaires were paid in salt – a solarium, the Latin origin of the word “salary.” Merchants in 12th-century Timbuktu – the gateway to the Sahara Desert and the seat of scholars – valued this mineral as highly as books and gold. In France, Charles of Anjou levied the “ga...
The origin of the Earth's ocean has been discussed on the basis of deuterium/hydrogen ratios (D/H) of several sources of water in the Solar System. The average D/H of carbonaceous chondrites (CC's) is known to be close to the current D/H of the Earth's ocean, while those of com...
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O the optical properties of oil O the fact that oil contains nitrogen and other compounds believed to be of organic origin4. According to paragraph 2, which of the following is true of the change of solid organic material into oil and gas?
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