Indicate whether the following statements are true or false.(Select T-True, F-False. If the first is T and the rest F, enterTFFFFF).
A) A white dwarf is the remnant of the star's core visible afterthe outer layers have been ejected.
B) A planetary nebula is made of hot gas that shows emissionline spectra.
C) A planetary nebula forms when a star violently explodes.
D) White dwarfs are small dense objects about the size of theEarth.
E) White dwarfs are composed mostly of hydrogen.
F) A planetary nebula is the remnant of the outer envelope of astar