Given Equation
Balanced Equation
Type of Reaction
1. Fes + HCI - FeCl, HS
2. Na + F2 -- NaF
3. HgO - Hg +02

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.

d. air pressure decreases as altitude increases.

b.a device that inputs heat into a cool object