Question

For a star of sun-like mass, what is the last stage of the nuclear fusion?

a. hydrogen to helium
b. helium to carbon and oxygen
c. fusion goes all the way up to iron.
d. carbon to magnesium

Answer 1

Answer:-

b. helium to carbon and oxygen

Explanation:-

After the red giant phase, stars like the sun follow a different evolutionary path than more massive stars. An alternative fusion process to the proton-proton chain now occurs.

The star will convert all of its core helium into carbon and oxygen, and then fusion will end