aajqta
Age: 43 
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Total Posts: 123
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Location:
qta, Pakistan
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The Oceans:
It is estimated that 72% of the surface of the globe
is covered with water. The Pacific, which is the greatest
of all oceans, covers a third of the earth’s surface, its
total area being greater than that of all the dry land.
Atlantic is slightly less than half the size of the Pacific,
yet so many great rivers flow into it that it receives half
the drainage of the world. The other oceans are Indian,
Mediterranean, Antarctic and Arctic. The average depth
of the ocean is 12,500 feet, compared with the average
height of the land which is about 2,500 feet. The greatest
known depth is that of the Marianas Trench in the Pacific,
where a depth of 35,800 feet has been recorded.
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