Final answer:
The sentence that is punctuated incorrectly is: The grocery list read eggs milk cheese and bread.
Step-by-step explanation:
The sentence that is punctuated incorrectly is:
The grocery list read eggs milk cheese and bread.
The word 'and' should be followed by a comma to separate the last two items in the list. So the correct punctuation for the sentence should be: The grocery list read eggs, milk, cheese, and bread.
Learn more about Correct punctuation in sentences