What is the primary way in which stars with masses similar to the Sun ultimately return some of their material to the interstellar medium?
A. through jets they may have during the protostar stage
B. through planetary nebulae
C. by exploding as white dwarf supernovae
D. Stars with masses similar to the Sun do not recycle any material back into the interstellar medium.
E. through the winds they have during their main-sequence lives