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oceanic crust sinks because it is denser and has higher specific gravity than the more silicon aluminum enriched continental crust. What drives substitution is convection and conduction in outer core of earth, that heat , only a small part of which is due radioactive isotopes, has to make it's way to Earth's surface by both conduction and convection. Iron and nickel o have the highest specific gravities of the 10 most common elements in the Milky Way Galaxy. This is why oceanic crust sinks and is subducted continental crust has to have a lot more force applied before it inks, because it doesn't want to sink.
The study demonstrates that the atmosphere manages 78% of the total heat movement in the Northern Hemisphere and 92% in the Southern Hemisphere at 35 degrees latitude based on a reanalysis of data collected between February 1985 and April 1989.
The Northern Hemisphere and Southern Hemisphere are imaginary geographic divisions that divide Earth into two equal halves at the prime meridian or the equator, respectively. The portion of Earth south of the equator, an imaginary horizontal line that circles the planet halfway between its poles, is known as the southern hemisphere. The Southern Hemisphere touches four oceans—the Indian, South Atlantic, Southern/Antarctic, and South Pacific—and at least a piece of five continents.
To know more about Southern Hemisphere refer:
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making a loud or confusing noise
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Asteroids is basically a large, irregularly shaped object in space that orbits the sun. they're mostly made up of rock but can be made of metal.
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The sum of the exterior angles of a 13-sided regular or irregular polygon is 360 deg. The sum of the interior angles of a 13-sided regular or irregular polygon = (2n-4)*90 = 22*90 = 1980 deg. Each interior angle of a 13-sided regular polygon only = 152.3076923
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