Convert time from 12-hour to 24-hour clock. 6 : 39​

18:39 on a 24-hour clock

12 hour: 6:39 pm

24 hour: 18:39

Explanation:

Add 12 for every hour after 12:00 pm.

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.