A meteorite sample contains helium, oxygen, iron and uranium. Helium and oxygen are lighter than iron. Uranium is heavier than iron.
Which statement about the production of these elements is correct?
Helium is the only element listed whose production requires a supernova.
Iron is the only element listed whose production requires a supernova.
Uranium is the only element listed whose production requires a supernova.
Oxygen is the only element listed whose production requires a supernova.
84 exam-style questions on AQA GCSE Physics 8.1 Solar system; stability of orbital motions; satellites, covering 8.1.1 Our solar system, 8.1.2 The life cycle of a star, and 8.1.3 Orbital motion, natural and artificial satellites. Each one has a worked solution and a mark scheme showing where the marks go.