|Many damages to the plants,
buildings and other structures are contributed to the acid rain.
Acid rain is relatively a new phenomena because it is caused by
gases from burning coal and natural oil. You may have noticed
that the air is cleaner and fresher after a rain. Have you
wondered what happens to the fumes and gases and particles in
the air during a rain. They are all washed by the rain. The
highest amount of such pollutants are absorbed by the rain drops
in the first few minutes of a heavy rain.
When gases such as sulfur dioxide (SO2)
and Nitrogen oxide (NO and NO2) are absorbed by the rain, they are
converted to sulfurous acid and nitrous and nitric acids. That is what
we call acid rain.