Answer: about half the mass and a million times higher density.
The closest answer is B
Explanation:
A white dwarf is what remains of a star after it uses up its nuclear fuel. Before a white dwarf is formed, it discards the external layer and retains its hot center. This center can be as hot as a hundred thousand Kelvin which then takes tens of millions of years to cool down. White dwarfs are very dense, an Earth-sized white dwarf has a density of a billion kg/
. In comparison to the sun, it is about half the mass and a million times denser.
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The marine depositional environment comprises shallow-water marine environments, which are made up of the upper shoreface marine environment and lower Shore face marine depositional environments. The other types of marine environments are the deep-water marine and the reefs.
Rivers typically come from underwater springs. They can also form from mountains and hills from melted snow.
China and Hong-Kong is having the rapid urbanization in eurasia