Books that are surrounded by oxygen will turn yellow, so basically, all books since oxygen is constantly surrounding us. Oxygen-rich conditions are very bad for paper, which gives them the yellow tiny. This is actually called lignin oxidation! Lignin oxidation gives it a yellow or brown colour as you said. Yellow comes first, then brown after.
I hope this helped a bit! :)
Answer:
Ponyboy, Darry, Sodapop, Two-bit
Explanation:
Dally and Johnny dies.
Answer:
A neighborhood mother teaches her son to ride his bicycle but grows concerned about his safety
The figurative language is simile
Explanation:
the narrator or the "secret identity"