rosehayden21
23.01.2020 •
Biology
Name and describe two epa regulations that are in place to protect public water systems
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Ответ:
The authority of EPA set several standards for drinking water quality,water suppliers,localities etc.
Explanation:
The regulations are-
1) National Primary Drinking Water regulations-
This regulation is legally possible which is applied in public water system.Primary standards protect public health by controlling the contaminants present in drinking water.
2)National Secondary Drinking water Regulations-
These regulations don't set any proper guideline to control contaminants present in water.
3)Unregulated Contaminants-
The Safe Drinking Water Act (SDWA) is a process through which EPA have to enlist the unregulated contaminants that are require in National drinking water regulations.EPA uses there unregulated contaminants and collect data that will help us to determine that whether we have to regulate that contaminants or not.
Ответ:
Exocytosis is the process of moving materials from within a cell to the exterior of the cell. ... In exocytosis, membrane-bound vesicles containing cellular molecules are transported to the cell membrane. The vesicles fuse with the cell membrane and expel their contents to the exterior of the cell.
Explanation: