What has 3 sigma bonds 2 pi bonds and has Dipole and London Dispersion Forces

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right 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.