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.
Answer:
a person who has great responsibilities, such as a king, is constantly worried and therefore doesn't sleep soundly
Answer:
33. My brother may travel to India soon
34. I'm sure you will love the food in Japan
35. our neighbors may not be at home this weekend
36. Can dad buy our train tickets online?
37. Can your visitors arrive on time?
Thats not allowed to happen. if it does then the sentence is incorrect, because of the subject\verb agreement