Environmental Science HS Curriculum Guide - School District of Philadelphia

Key Terms and Definitions 1. Acid Precipitation: rain, snow, hail, fog, or dew, with a pH of less than 5.6 due to the presence of acid pollutants such as sulfuric and nitric acid. 2. Acid: a substance with a pH of less than 7 due to a greater amount of free H+ ions than OH ions. 3. Adhesion: The intermolecular attraction between unlike molecules.. Capillary action re ................
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