Scientists use experiments and observations to make logical conclusions about scientific inquiries. this process is called the scientific process scientific inquiry scientific method scientific experiment

The process in which scientists use experiments and observations to make logical conclusions about scientific inquiries is called the : Scientific Method

To answer a question with a scientific method, One must create a hypothesis and prove it through various experiments and observation. The answer that arise from scientific method is viable everywhere you go.

Icould be wrong but i would say b.