I Pump and Treat is best used with which type of contaminant in groundwater (cho

Question

I Pump and Treat is best used with which type of contaminant in groundwater (choose one)? O Soluble O LNAPL O DNAPL O Solid Waste 12. How is nitrogen removed in a WWTP to allow discharge to a lake (choose one)? 0 A biological process that converts nitrogen to N2 gas 0 A mechanical process of "scrubbing" O A chemical process involving alum 0 Converting nitrogen to methane in a digester 13. All of the following are NAAQS pollutants for air quality except (choose one)? O Carbon monoxide O Carbon dioxide O Sulfur dioxide LO Lead 14. Which is correct regarding the six priority air pollutants (choose one)? 0 Stationary sources are responsible for most SOX, NOx, and particulates 0 Stationary sources are responsible for most CO and half NOx O Mobile sources are responsible for most CO and particulates O Mobile sources are responsible for most CO2 and NOX What do scientists use to explain that humans are partially responsible for climate change (choose one)? 0 Recent changes to weather patterns O Increases in the Ozone hole over the Arctic J Increases in CO2 from human-related emissions I Significant rising global temperature over the last 20 years

Explanation / Answer

(11) Answer:- LNAPL

(12) Answer:- A biological process that converts nitrogen to N2 gas

(13) Answer:- Carbon dioxide

(14) Answer:- Stationary sources are responsible for most SOx , NOx and particulates.

(15) Answer:- Increases in CO2 from human related emissions.

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