Question

if an atom was a house, what item would best represent the size of the nucleus?
a carpet fiber (strand)
a couch
a room
the first floor of the house

Explanation:

The nucleus is extremely small compared to the size of an atom. A carpet fiber is the smallest among the given options and best represents the relative small - size of the nucleus in an atom - to - house analogy.

Answer:

A. A carpet fiber (strand)