8. Why would a diamond from antiquity look similar to a diamond today?

What is a glossary? a statement of the author’s purpose in writing the book, which may include suggestions for using the book a page at the front of a book that lists units and chapters with their page numbers an alphabetical list of the specialized words and terms used in the book and their definitions an alphabetical list of all topics covered in the book and the pages on which they can be found

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

Which statement best paraphrases these sentences from the text