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>
Answer: Because they had never developed immunities to the disease
Answer:
I think it's C, don't quote me tho.
So the people can get water and there is fertile soil
The correct answer is letter A
Unlike most presidents, Johnson has a distant background in the aristocracy. He owned a tailoring shop in the state of Tennessee, the "volunteering state".
In local debates, he defended the common man and attacked the plantation aristocracy. In the 1840s and 1850s, as a member of the House and Senate, he defended a bill to provide free land to the poor.
Johnson remained in the Senate even when Tennessee, along with the other southern states, joined the secession. The decision made him popular in the northern United States, as Johnson was showing himself to be in favor of the Union, not of the break-up of the United States.