Solution:(a) Body capable of vibration (iii) Reeds, plates, skins, strings, air column, (b) Energy applied to body (i) Air, percussion, friction, (c) Medium for transmission - (iv) Air, wires, water, solid masses, etc., (d) Reinforcers for sound - (ii) Resonating cavities, sounding boards, pipes, etc.
These matches correctly align the requisites for sound with the corresponding musical instruments and components.
The body capable of vibration includes various materials that produce sound, energy is applied through different methods to create vibration, the medium transmits sound, and reinforcers amplify it.