Taj Mahal has recently shown discolouration and damage. The most probable reason for this is:
Age of the monument
Storms
Temperature change
Acid rain
Taj Mahal has recently shown discolouration and damage. The most probable reason for this is acid rain.
Taj Mahal is damaged due to acid rain. This phenomenon is called ___ .
Which of the following has been causing most damage to the Taj Mahal?