Sound waves travel through a medium by: a. Being absorbed
b. Vibrating the particles within the medium
c. Perpendicular to the energy of the wave
d. Causing the particles to compress and move apart

answer is b

Explanation:

this is because the object vibrates hence causing movement in the particles of the medium. It keeps going until the particles run out of energy. Hope that can help

it is called kinetic energy

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.