Acid Rain The acidity of rainwater is measured in units called pH. A pH of 7 is neutral
Chapter 13, Problem 86(choose chapter or problem)
Acid Rain The acidity of rainwater is measured in units called pH. A pH of 7 is neutral, smaller values are increasingly acidic, and larger values are increasingly alkaline. The map shows the curves of equal pH and gives evidence that downwind of heavily industrialized areas the acidity has been increasing. Using the level curves on the map, determine the direction of the prevailing winds in the northeastern United States.
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