Examlex
One hypothesis to explain the changing gap in wages between unskilled and skilled workers in the United States is that international trade has altered the relative demands for skilled and unskilled workers.
Acid Deposition
The process by which acidic pollutants from the atmosphere are deposited on the earth's surface, negatively affecting ecosystems and structures.
Regional Problem
A specific issue or challenge that affects a particular geographic area, which may require localized solutions or interventions.
Buffering Ions
Ions in a solution that stabilize the pH of the solution by neutralizing added acids or bases.
Acidic Soil
Soil with a pH less than 7, often requiring amendment to support a wide range of plant life due to potential nutrient availability issues.
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