20 systems in nature tend to undergo changes toward(1) lower energy and higher entropy(2) lower energy and lower entropy(3) higher energy and higher entropy(4) higher energy and lower entropy

first one is the correct answer

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.