Question

how did acid rain take place and what is his effect

Answer 1

compounds like sulfur dioxide and nitrogen oxides are released into the air and get mix with oxyen in the atmosphere and form acidic

Answer 2

Due to the increasing pollution in the environment nowadays, Acid rain has become a very common phenomenon.
Acid rain takes place when the oxides of sulphur and nitrogen get mixed In the air and come down as rain.
Acid rain has a very adverse effect on buildings, plants and animals.
Acid rain mostly takes place in the industrial regions of USA and Canada and western part of Europe.
Hope it helps you