Hich statement describes a characteristic of a spiral galaxy? It is shaped like a pinwheel.
It has no new star formation.
It is made only of gases.
It is smaller than other types of galaxies.

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

they are made of gases.

they have a spherical shape.

they make energy through fusion.

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.