Summarize some of the causes and effects
of acid precipitation on ecosystems. SC.7.E.6.6

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter