Describe factors that might increase and that may decrease the permeability of soil.

ENV 430 Final Exam Briefly describe one factor that might increase and one factor that may decrease the permeability of soil. (one sentence for each factor) In surface water resources (e.g., a river or stream), what is flow rate and why is it important to water quality? (one sentence for each question) What is biochemical oxygen demand (BOD) and why is it important in terms of water quality? (one sentence for each question) List and briefly describe two methods of wastewater treatment that reduce BOD. (one sentence for each method) List and briefly describe two types of technology to reduce contaminants in water supply. (one sentence for each technology type) List and briefly describe two types of technology that reduce pathogens in water supply. (one sentence for each technology type) List and briefly describe two approaches to reduce municipal solid waste volume. (one sentence for each approach) List and briefly describe two approaches to manage hazardous waste. (one sentence for each approach) 9. List and briefly describe two methods to remove pollutants from air. (one sentence for each method) 10. List and briefly describe two methods to reduce noise pollution. (one sentence for each method)

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