Choose the one which takes the longest time for biodegradation?

Options :
  1. Cotton
  2. Paper
  3. Bone
  4. Jute
Answer and Explanation :-

Answer: Option 3

Explanation:

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There is no point in keeping vengeance or stubbornness. These things" -he sighed- "these things I so regret in my life. Pride. Vanity. Why do we do the things we do? Morrie Schwartz
-Mitch Albom Tuesdays With Morrie