I need to know the possible answers.
Answer: A Test for Antimicrobial Activity.
Explanation: A Zone of Inhibition test, also called a Kirby-Bauer Test, is a qualitative method used clinically to measure antibiotic resistance and industrially to test the ability of solids and textiles to inhibit microbial growth.
B you just got to read it right an that’s the answer to your question
True. laws are there because government doesn’t want something to happen, trying to predict what’ll solve it. :)