2. On this staff, number the lines from low to high

Answer:
E, G, B, D, F is the correct answer.
Explanation:
In Western musical notation, a staff or stave (staves in plural form) is a set of five horizontal lines with four spaces that represent a different musical pitch or in the case of a percussion staff, it means different percussion instruments. The order from low to high is E, G, B, D and F.