Question

what is the reason for acid rain in Agara
and how Taj Mahal got pale yellowish

Answer 1

the Taj Mahal got yellowish because of : air pollution, discoloration of marbel due to oxidation of its constituents , environmental neglect and wear and tear caused by millions of tourists who visit it every year.
CAUSE OF ACID RAIN -This is due to presence of protons formed by reaction of water and CO2 .