Jerseyfield Lake,Adirondack Park,New York,with a critical pH level of 4.13 as a result of acid rain pollution. The pH scale is a logarithmic scale for expressing the acidity or alkalinity of a solution. A pH below 7 indicates an acid solution while one over 7 indicates alkalinity. (10/30/82) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bova, John |
Bildgröße: | 5037 px × 3423 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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