How we suppose to know Read the book
1) heat from radioactive decay in the core of the Earth heard the mantle.
2) Plates move averagely only a few cm a year, this has been happening ever since the planet formed and cooled to give a thick crust so this movement has added up over many years to move plates far from where they started.
3) because the mantle is heated and is able to flow slowly, convection currents are set up which cause the plates on the crust to move.
Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
Explanation:
Total personal revenue is the disposable income less personal taxes. Employee earnings minus employee actual taxes in terms of national reports reflect net established income.
The household saving rate is specified as total saving divided by disposable income.
Household saving = Disposable income * Households saving rate
Japan:
$40,000*1.9% = $760
United States :
$40,000*4% = $1,600
France :
$40,000*15.8% = $6,320
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