Answer:
It compares the frozen crystals to delicately lacy snowflakes having an unexpected strength.
Explanation:
A Metaphor may be defined as a figure of speech where a phrase or a word is applied to an action or an object to which it can not literally or directly applicable.
In the excerpt that has been given in the question, there is a direct comparison made for the frozen crystals. They look very soft and fine when we look at them but they are hard substances in real. They seems like a deceitful foe to be friends to the city.
"a foil is a character who contrasts with another character, usually the protagonist, to highlight particular qualities of the other character."
Answer:
I believe its correct but if not im very sorry
Explanation: