B
Okay.
A
So what do you, uh, think is the, uh, the worst culprit for air pollution?
B
Well, I think it's, it's probably a combination of things. Um, factories that, that burn coal as a, an energy source with sulfur and nitrogen contaminants, you know, and you get sulfur oxides and nitrogen oxides.
A
Uh-huh.
B
Uh, those are the ones I think primarily contribute to acid rain, and I think that's, that's probably hurting us a little bit. It's hurting, you know, it's hurting Germany, for example, too, and some other parts of Europe where they, where they have high industry. So we're not the lone ranger here.
A
Yeah. I, uh, I, it's hard to put the finger on, uh, what's worse, you know, the acid rain situation or the ozone depletion, um, with, uh, your hydrocarbons, uh --