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? hydrogen carbon helium iron

Answer 1

D. iron

Step-by-step explanation:

Answer 2

Iron

Step-by-step explanation:

In a high mass star life cycle, there are 5 stages;

Stage 1: hydrogen nuclei combines to form helium

Stage 2: Helium combines to form carbon

Stage 3: carbon used to form heavy metals such as Iron

Stage 4: Supernova explosion

Stage 5: Core of the star collapses

In light mass star life cycle, the core of the star collapses after all the helium combines to form carbon.