Question

What makes up acid rain?

Answer 1

see below

Explanation:

n the acid rain you can find:
`CO_2` that is normally present in the atmosfere (400 ppm), and dissolves in water. It give pH about 5,5
`SO_2` coming from the combustion of coal or intrattated oil (but now oil and gas are always desulforated, at least to get S that is useful and to preserve environment)
`NO and NO_2` that you obtain from lightnings (useful to fertilize fields) and all burning (not useful in the town and when doesn't rain)