What is used to determine whether a potential solution to a problem will actually work?

What is one way that testing helps scientists determine which solution for a problem works best? A Testing allows scientists to choose a solution without having to spend time thinking about it. B Testing allows scientists to rely on abductive reasoning rather than inductive and deductive reasoning.

Explanation:

the theme of universality in town is expressed in ensuring all citizens upon the occurrence of a relevant social circumstance (sickness, unemployment, old age, employment injury, having many children, maternity, disability, loss of the breadwinner, etc.)