1. Explain how water is filtered and cleaned in a city for drinking.
Reverse Osmosis removes many types of large molecules and ions from solutions by applying pressure to the solution when it is on one side of a selective membrane
2. Explain how sewer water is treated and returned to the river or lake.
Process remove waste from water and turn it into solid form (Sludge) and return water to lake. Process includes physical, chemical, and biological, processs.
3. 2 good questions to ask tomorrow
1) How much sewer runoff escape to GR?
2) Hw much will escape with new filtration system?
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