Question

the presence of which element would indicate that a star is going through a high - mass star life cycle as opposed to a low - mass star life cycle?
o hydrogen
o carbon
o helium
o iron

Explanation:

In a high - mass star life cycle, through successive nuclear fusion stages, iron is produced. Low - mass stars do not reach the stage of producing iron. Hydrogen, carbon, and helium are present in both high - mass and low - mass star life cycles at different stages.

Answer:

D. iron