SI units are used for the scientific works, why?​

Explanation:

What is meant by functional group in an organic compound?

Functional group for

A) keton

B) acid anhydride

C) aldehyde

D) amide

C) alcohol

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.