Question

Acid rain is mostly a problem in the _____.

Answer 1

answer: Eastern United States.

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...as for Europe, I think Eastern Europe has the most problems with acid rain. I think areas that have a high amount of factories that emit dangerous gases is where most of the acid rain will appear.

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Hopefully this helped and good luck.

Answer 2

Answer; 
Acid rain is mostly a problem in the Northern Hemisphere.

Explanation;
This can be attributed to the fact that the area has a large, densely populated cities and a concentrated number of industrial and power plants in an area. These factors contribute to acidic gases in the environment such as sulfur oxide, nitrous oxide, which mix with rain water to form acidic rain. Additionally, prevailing wind direction which brings with it the pollution from the midwest to the north east.