Question

prefixes
the prefix
on\ means
o\ or
one\.
the yogurt was nonfat and thus perfect for the no - fat diet margaret was doing.
using this information, and your context clues, what is the best meaning of the underlined word?
something that has chocolate in it
something that has a lot of fat in it
something that happens on a holiday
something that does not have fat in it

Explanation:

The prefix "non" means "no" or "none". In the word "nonfat", "non" modifies "fat". So "nonfat" means without fat. The context clue "no - fat diet" also supports this.

Answer:

Something that does not have fat in it.