This is punctuated correctly.
"Marshmallows are my favorite snack" is a complete sentence unto itself.
The comma instead of a period shows that the sentence spoken is part of the whole sentence, which includes the speaker (she) and a word to describe how the speaker said it (explained).
Answer:
I'm not sure sorry I can't help
Because he always wanted to
Answer: poetry is literary work in which the expression of feelings and ideas likewise prose is written or spoken language in its ordinary form
Explanation: