2 questions 1. In the biological treatment of wastewater, microorganisms break down the organic matter, such as food, oil, and human waste, in the wastewater and forms CO2 and microbial biomass. When firefighters combat a fire near a wastewater treatment plant where agricultural pesticides are involved, explain why the wastewater treatment operators are notified. Also, explain why there are fewer inorganic pesticides that are encountered today. 2. Ammonia is a colorless gas that is easily recognized because of its pungent odor. Ammonia is often encountered as anhydrous ammonia. Describe anhydrous ammonia and at least three of its commercial uses. When there is a release, explain why emergency responders should not apply water directly to the release of aqueous ammonia. Provide its chemical reaction with water.

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