Which of the following industries located in and around Agra are responsible for damaging the Taj Mahal?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → All of these
Industries in and around Agra such as rubber processing, automobile and chemical units, and especially the Mathura oil refinery, release sulphur dioxide and nitrogen dioxide. These gases cause acid rain, which corrodes the marble of the monument and turns it yellow.