. The phenomenon of marble cancer is due to


A: global warming

B: CFCs

C: fog

D: acid rain

 

Best Answer

Explanation-

  1. Gases like sulphur dioxide and nitrogen dioxide are present as a pollutant in the air and react with air and water present in the air.
  2. In reaction with air and water, sulphur dioxide forms sulphuric acid and nitrogen dioxide forms nitric acid.
  3. When these acids mix with rain, it makes the rain acidic causing acid rain.
  4. Acid rain causes damage to the building material like marbles, a phenomenon known as marble cancer.

Final Answer-

So, The correct option is D.

The phenomenon of marble cancer is due to acid rain

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