Answer :
A). No. The entire poster is already covered with atoms,
but they're too small to see.
B). No. What's "life-size" of an atom ? It's too small to see,
and that's the whole problem.
D). No. Atoms are too small to see even with a microscope.
C). Yes ! A model of an atom, big enough to see, would help
get some of the important ideas across.
Answer:
C. Display a large, three-dimensional model of an atom.
Explanation:
took the test