Pollution in the air causes acid rain. And limestone is a calcium carbonate compound, which is an alkali. So when an acid and alkali mixes together, you get a reaction. Which is dissolution. Dissolutions causes the outside layer to dissolve, resulting in mush.
I believe the answer is either A or D. However, I think D sounds the most fitting but like i said, it could be either one. :)
Answer:
In cities due to high population and presence of more services.
Explanation:
Most shopping malls are present on that location where human population is higher such as cities and towns because people are the customers who bought the products present in these malls. The owners of malls built malls in the cities due to the presence of high population of peoples in order to sale more products to the people and earn high profit. these malls also built in cities due to the presence of services such as electricity and water etc.
