when nuclear fusion ends in a high - mass star, the heavy elements formed in the star’s core are released…

when nuclear fusion ends in a high - mass star, the heavy elements formed in the star’s core are released through a
Answer
Brief Explanations:
When nuclear fusion stops in a high - mass star, the core collapses and then rebounds in a violent explosion known as a supernova. This explosion releases the heavy elements that were formed in the star's core into space.
Answer:
supernova