What Is the Difference Between a Helium Flash and a Helium

Multiple Choice

What is the difference between a helium flash and a helium shell flash?

A) A helium flash occurs when the core becomes supported by electron-degeneracy pressure; a helium shell flash occurs when the helium shell becomes supported by electron-degeneracy pressure.
B) All stars with mass less than eight times the mass of the Sun undergo a helium flash, but only those between two and eight times the mass of the Sun undergo a helium shell flash.
C) A helium flash occurs just once; a helium shell flash can repeat many times.
D) A helium flash results in a supernova; a helium shell flash results on a planetary nebula.