A
Um, I guess. From, from something that the car was, uh, was giving,
B
I think it gives off, uh, in the emissions, it gives off gases which combine up in the atmosphere, uh, and form a, a weak acid.
A
Yes, and,
B
It just makes the rain fall on the acid side and after a period of time, I think that accumulates in, uh, trees because they take it up through their roots, as well as it landing on the leaves, on surfaces, like you've seen what it's done to buildings even --
A
Yes.
B
-- where it's really bad.