The final treatment of wastewater in the united states normally involves treatment with Chlorine to make it safe.
The final stage of the wastewater treatment process, which is when it is often carried out in most treatment plants, can also include chlorination. The primary goals of this chlorine addition are water disinfection and maintaining chlorine residuals that will stay in the water as it moves through the distribution system.
In the US, wastewater treatment facilities treat over 34 billion gallons of wastewater per day. Human waste, food waste, and some soaps and detergents all contribute nitrogen and phosphorus to wastewater. Once the water has been cleansed to the standards required and observed by state and federal authorities, it is often released into a nearby water body.
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Actively participate, use good listening skills, follow group guidelines
Because it was one of China's wonderful eras.
Answer: Option B
Explanation:
According to the question, before a hurricane starts, a person in the endangered area needs to first of all go outside to know the evacuation route to be taken in case of an evacuation.
The purpose of this step is so that the individual is not left stranded after the storm hits his place of residence. After identify evacuation routes, it is left for the individual to chose to either go with to a safer location as directed by the authorities or locate a safe quarter in their homes which may be in the form of his basement.
