Question

How can the soil polluted by acid rain be made fertile again?

Answer 1

1. The soil polluted by the acid rain is made fertile again by using bacteria.
2. Acidophillium spp. and Acidobacillus ferroxidens are the bacteria which have the capacity to use sulphuric acid as their energy source.
3. Since this sulphuric acid, present in the acid rain, can be controlled by these bacteria.
4. In this way, bacteria can control soil pollution caused by acid rain, making the soil fertile again.