A star's death method is determined by its mass. A star with a mass under 4.2 times the mass of the Sun (called the Chandrasekhar limit after the University of Michigan astronomer who first determined it) will wind up a white dwarf and ultimately burn out as a heavy but small, dense object.
<span>More massive stars will become white dwarfs, neutron stars, novas, supernovas, black holes, depending on a variety of factors, including mass and the presence of a close stellar binary companion</span>
Explanation:
<u>Urbanization</u><u> </u><u>:</u>
It refers to population shift fromrural to urban areas. It is also a process of making an area more urban.
The Portuguese, the Dutch, the English is the chronological order of European countries that controls the African slave trade. Slaves were used in mining and plantations. Five times as many Africans arrived in the Americas than in Europeans, as the result of this slave trade.
The factors brought the new kingdom pharaohs unprecedented wealth were : the money from conquered territories and new taxis.
During their reign, the pharaohs put great emphasizes in developing their military power and increasing the amount of their conquest
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