when separating items in a list, a writer should\n○ end the list with a colon.\n○ separate the items with…
when separating items in a list, a writer should\n○ end the list with a colon.\n○ separate the items with colons.\n○ add a comma after the “and” before the last item.\n○ add a comma before the “and” before the last item.
Answer
Brief Explanations:
In English writing, when listing items, a comma is added before the "and" preceding the last item. This is a common punctuation - usage rule in lists.
Answer:
add a comma before the "and" before the last item.