Which statement about the Sun is correct?
The Sun consists of mainly carbon and oxygen.
The primary energy source of the Sun is nuclear fission.
The Sun consists of mainly hydrogen and helium.
The Sun radiates most of its energy in the microwave region of the electromagnetic spectrum.
20 exam-style questions on CIE IGCSE Physics 6.2.1 The Sun as a star. Each one has a worked solution and a mark scheme showing where the marks go.