MapMaster 3

Atlas (Beta)

Acid Rain

United StatesPhysical Environment

Average acidity of precipitation in the United States. Lower pH values represent greater acidity.

Geosystems: Intro to Physical Geography

A map shows the p H levels of acid rain in the U.S. States like Ohio and Pennsylvania have the lowest p H levels (4.50 to 4.59 p H, black). States like Arizona and Nevada show the highest p H levels (greater than or equals 5.30 p H, light yellow).

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Acid Rain									Phosphate Mines	Total Debt Service (Percentage of Gross Nation Income)			Physiological Density
4.50–4.59 pH	4.60–4.69 pH	4.70–4.79 pH	4.80–4.89 pH	4.90–4.99 pH	5.00–5.09 pH	5.10–5.19 pH	5.20–5.29 pH	≥5.30 pH	Phosphate Mines	Class	Rank	Percent of GNI	Class	Rank	People per square kilometer







4.29%	14.4%	23.8%	24.2%	18.5%	16.1%	11.6%	6.63%	81.6%	8.214285714285714

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