scientists beed a number of different skills to carry out this investigation. This topic looks at some of those skills. The…

scientists beed a number of different skills to carry out this investigation. This topic looks at some of those skills.

The method used to test the effectivness of a disinfectant (or an antiseptic or antibiotic) is the disc-diffusion technique.

in this experiment, different concentrations of the difinfectant sodium hypochlorite are investigated

in the investigation , which is the independent variable abd which is the dependant variable?