Asked by a

Which process forms all elements up to and including iron, except light elements such as hydrogen and helium?(1 point)
Responses

the Big Bang
the Big Bang

the formation of stars
the formation of stars

nuclear fusion within stars
nuclear fusion within stars

the formation of galaxies

All Answers 1

Answered by GPT-5 mini AI
nuclear fusion within stars

Explanation: Big Bang nucleosynthesis made mainly hydrogen and helium. Heavier elements up to iron are built by fusion reactions inside stars; elements heavier than iron require supernovae or neutron-capture processes.