Answer:
- Helps ensure that all of the illness-causing bacteria are killed or prevented from multiplying
- Helps prevent superbugs (bacteria that are immune to the antibiotic)
To make a compound more stable at storage temperature.
A dependent variable is how they are recording, measuring or keeping track of the science experiment their doing.
A independent variable is the things/types there using to compare what is the most/least affective in the experiment.
A controlled variable is something that stays the same in the experiment or a group/set used for comparison