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3 years ago

Which statement best describes the age of the seafloor?

Geography

2 answers:

olya-2409 [2.1K]3 years ago

7 0

Correct answer choice is :

<h2>B) It is younger near the center and older near the continents.</h2><h2 /><h2>Explanation:</h2><h2 />

In nature, oceanic plates are more responsive to subduction as they get older. Because of this relationship between age and subduction potential, the very little ocean floor is older than 125 million years and nearly none of it is older than 200 million years.

vredina [299]3 years ago

6 0

It would be D because it describes the age of the sea floor

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Wikipedia

Three-sector model

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This article includes a list of general references, but it remains largely unverified because it lacks sufficient corresponding inline citations. (August 2008)

The three-sector model in economics divides economies into three sectors of activity: extraction of raw materials (primary), manufacturing (secondary), and service industries which exist to facilitate the transport, distribution and sale of goods produced in the secondary sector (tertiary).[1] The model was developed by Allan Fisher,[2][3][4] Colin Clark,[5] and Jean Fourastié[6] in the first half of the 20th century, and is a representation of an industrial economy. It has been criticised as inappropriate as a representation of the economy in the 21st century.[7]

Industrial output in 2005

Service output in 2005

According to the three-sector model, the main focus of an economy's activity shifts from the primary, through the secondary and finally to the tertiary sector. Countries with a low per capita income are in an early state of development; the main part of their national income is achieved through production in the primary sector. Countries in a more advanced state of development, with a medium national income, generate their income mostly in the secondary sector. In highly developed countries with a high income, the tertiary sector dominates the total output of the economy.

The rise of the post-industrial economy in which an increasing proportion of economic activity is not directly related to physical goods has led some economists to expand the model by adding a fourth quaternary or fifth quinary sectors, while others have ceased to use the model.

Structural transformation according to Fourastié

Extensions to the three-sector model

Value added, national accounts and the three sector model