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Ocean Environment - Online Term Papers

Ocean Environment


The sea is the most obvious feature of the earth's surface.
Approximately seventy percent of this surface is covered by water, in one way or
another. Beneath this water are the familiar sands of the beaches, bottoms of
bays, and the inshore ocean. Farther offshore this water covers an amazing
submarine topography of underwater canyons, trenches, mountains, and plains.
Unlike the continents, which are physically separated from one another, the
oceans are continuous and interconnected. Since the "world ocean is
continuous"(M.J. Keen) it has similar characteristics throughout. In the early
1870s oceanographers collected seawater samples from all of the seas of the
world at a variety of ...

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temperature and salinity play major roles in influencing the
distribution of plants and animals.
The sediments of the sea floor may be divided into lithogenous,
hydrogenous, biogenous, and cosmogenous sediments. Lithogenous sediments are
the major sediments on the ocean floor. They are derived from the chemical and
mechanical weathering of rocks. Biogenous sediments are composed primarily of
the protective outter covering of small marine animals and plants. If these
remains comprise at least thirty percent of the sediment it is called an "ooze".
"Oozes" were named for the types of organisms that formed them. Hydrogenous
sediments form as a result of the chemical reactions that occur in the seawater.
These reactions result in the formation of small particles, which are deposited
on the sea floor. Currents move these particles and cause them to collide with
the other particles. If many of these collisions occur they may form nodules.
Nodules are found on some portions of ...

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complete
loss and gain of electrons results in the formation of ionic molecules, which
have completely positive and negative vegions. Unequal sharing of electrons, on
the other hand, characterizes the polar covalent molecules, which have only
partially positive and negative regions. The equal sharing of electrons result
in the formation of nonpolar covalent molecules, which do not develop charged
regions.
Due to the development of charges on ionic and polar molecules,
intermolecular attractive forces form between these molecules, intermolecular
attractive forces form between these molecules and enable the compounds to exist
in the solid and liquid state. Ionic compounds have ...

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"Ocean Environment." Essayworld.com. Essayworld.com, 12 Jun. 2004. Web. 11 Aug. 2022. <http://www.essayworld.com/essays/Ocean-Environment/9324>
"Ocean Environment." Essayworld.com. June 12, 2004. Accessed August 11, 2022. http://www.essayworld.com/essays/Ocean-Environment/9324.
"Ocean Environment." Essayworld.com. June 12, 2004. Accessed August 11, 2022. http://www.essayworld.com/essays/Ocean-Environment/9324.
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PAPER DETAILS
Added: 6/12/2004 01:28:51 AM
Category: Science & Nature
Type: Premium Paper
Words: 2944
Pages: 11

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