Iron Has 26 Protons in Its Nucleus, and Gold Has

Iron has 26 protons in its nucleus, and gold has 79 protons. Where did all the gold on the Earth come from?

A) nucleosynthesis on the surfaces of neutron stars
B) nucleosynthesis that took place in supernova explosions
C) nucleosynthesis in the cores of low-mass stars
D) nucleosynthesis in the cores of massive stars
E) nucleosynthesis in red giant and horizontal-branch stars