I think it’s D. Ocean trenches
It is C. The central idea of the text is
Answer:
Students in a class defend and support each other
Explanation:
Answer:
teach readers about a code system used during the American Revolution.
Explanation:
The lines "He substituted digits for words that would be used in messages. "Long Island," for example, was 728, "arms" was 7, and "city" was 88. There was a number for each month, such as 341 for "January." indicate that the author wants to teach the reader about a code system used during the American Revolution.
Also, the rest of the options don't make any sense whatsoever.
Hope this helps, and please mark me brainliest if it does!
