Marble cancer to the Taj Mahal is caused by?
Marble cancer to the Taj Mahal is caused by?
تاج محل سے سنگ مرمر کینسر کس کی وجہ سے ہوتا ہے؟
Explanation
Acid rain, caused by air pollution (sulfur dioxide and nitrogen oxides), reacts with marble, leading to corrosion and discoloration of the Taj Mahal.
This process, known as "marble cancer," weakens the structure and turns the white marble yellowish over time.