What material would make the best light bulb filament?

a.
a resistor, which converts some electric energy to thermal energy

b.
an insulator, which stops the flow of electricity

c.
a conductor, which carry electric currents

d.
a conductor surrounded by an insulator

The least penetrating form of radiation is

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?