Acid rain is one effect of what?

How did industrial production improvements impact export-dependent areas of the world during the great depression?   a.  demand for certain raw materials rose.      b.  demand for certain raw materials fell.      c.  the new technology was exported to most raw material producing nations.      d.  there was a decrease in tariffs.

What emperor was given credit for having the aqueducts built

Which agency is under the authority of the department of labor? sec osha epa fda