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    pH adjustment is also essential in wastewater treatment. Chemicals such as sulfuric acid or sodium hydroxide are frequently employed to modify the pH of the wastewater. Maintaining an optimal pH level is crucial, as it affects the solubility of various contaminants and the effectiveness of chemical reactions during treatment.


    Theophylline's influence extends to the central nervous system, where it can stimulate the respiratory centers in the brain. This stimulation enhances the drive to breathe, contributing to the medication’s effectiveness in addressing respiratory issues.