The Earth's atmosphere consists mostly of two elements.
What are these two elements?
A
hydrogen and helium
B
nitrogen and oxygen
C
carbon and oxygen
D
argon and nitrogen
Markscheme
6.1.1a Rotation of the Earth, the seasons and the Moon Questions
40 exam-style questions on CIE IGCSE Physics 6.1.1a Rotation of the Earth, the seasons and the Moon. Each one has a worked solution and a mark scheme showing where the marks go.