What are two ways to determine antibiotic sensitivity?Which of the two plates sh

What are two ways to determine antibiotic sensitivity?Which of the two plates shown below is more susceptible to antibiotics? What test did the students use to show this?What tests can be used to determine the amount of bacteria in a water sample?Using your book and the internet, what are the acceptable levels of coliforms in drinking water in your area?Which test does your local water treatment plant use?