☰
GkSeries.com
✕

Browning of paper in old books is caused by

[A] Frequent use
[B] Lack of aeration
[C] Collection of dust
[D] Oxidation of cellulose

Answer & Explanation

Answer: Option [D]

⭐ Make GKSeries Your Preferred Source on Google

Add GKSeries as Preferred Source
Click Here to Read more questions