Stone Cancer’ occurs due to : A)Acid rain B)Global warming C)Radioactivity D)Bacterial action
Option A) Acid rain is caused due to oxides of sulphur and nitrogen mixing with rain water making rain water acidic. When calcium carbonate of white marble reacts with acidic water, it results into its corrosion. This is known as stone cancer. Our heritage monuments, like the Taj Mahal, are threatened by stone cancer
