Respuesta :

the one that would require the use of  a small scale model is : atom

an atom is the smallest unit of a chemical element, which means that it's impossible to be seen with a normal vision. Small-scale model would be required in order to observe it

hope this helps
ljosephkenney

Answer:

atom

Explanation:

a atom is way to small and I mean WAY to small the eye can't see it.

so atom will have to be the A.N.S.W.E.R.

:D *Kiss*