The phenomenon which leads to destruction of manmade structure and metal of archaeological importance is ____?
The phenomenon which leads to destruction of manmade structure and metal of archaeological importance is ____?
آثار قدیمہ کی اہمیت کی حامل انسانی ساخت اور دھات کی تباہی کا باعث بننے والا واقعہ ____ ہے؟
Explanation
Acid rain contains sulfuric and nitric acids formed from industrial pollutants.It corrodes buildings, metals, and historical monuments, especially those made of marble and limestone.