Why do scientists need a universal system to classify organisms?

classification enables scientists to explain the relationships between organisms, which is helpful in trying to reconstruct the evolutionary roots of a particular species. Finally, taxonomic names provide unique descriptive names for organisms. This is sometimes an issue with common names of animals.

Explanation:

Found in the Internet

b is the correct

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.