I'm pretty sure it's an alcohol swab or Neosporin
Answer:
Temperature
Explanation:
An experiment has an independent variable which is a factor changed during the experiment. Effect of changes in the independent variable on the dependent variable is seen during the experiment.
According to the question, the experiment was set to observe the effect of temperature on bacterial growth. The bacterial population was exposed to different temperatures. Since the temperature was changed to observe its effect on bacteria growth, the temperature is the independent variable here.
Answer:
density and color, do not depend on the amount of matter. your welcome
Explanation:
The answer to this is C!!!