A. It always ends in -ly.
Cause : the rain
Effect : Many roads were flooded and people had to find alternative routes to get to their destination
D. All of these things.
if the note cards are for citations or sources, then each element is needed.
For example: when citing a physical copy of a book (in MLA format at least) it’s important you include all relevant information. It would look like this: Author last name, First name. Title of Book/Magazine. Publisher, Publication Year. Print.