the real awnswer is by factory especially like heavy thing like gun car and house thing many man . another one was by burn something the smoked come out . example : leave and trash . and one more is World War 2 smoke grenade create by a factory smoke .
H2CO3 is a naturally occurring form of acid rain.
high concentrations of compounds like sulfur dioxide and nitrogen oxides can cause acid rain if in the air.
Acid rain is acid rain.
Acid rain was a major problem in Europe and the USA in the last few decades of the 20th century. ... Acid rain occurs when these gases react in the atmosphere with .... This included about one half of the famous Black Forest.
Chemical weathering will have dissolved some of the calcite of which the statue is composed, as well as acid rain having caused erosion, if there is acid rain occurring in the area.
rain with acid
Yes, Acid rain is rain with higher than normal levels of nitric and sulfuric acid.
carbonic acid rain and sulfuric acid rain
Only acid rain, normal rain does not contain acid.
by sulfuric acid
no, the acid haven't rain it
well you can have acid rain but not all rain is acid rain