Respuesta :
i believe the answer would be a because its the one that doesn't change
Answer:
Option a) amount of chemical b
Step-by-step explanation:
Given that a student mixes chemicals a and b together and records the amount of time it takes for a color change to occur. the student repeats the process 5 more times each time changing the amount of chemical b used in the mixture.
Since the student changes first the amount of chemical b used this is the independent variable x here.
y the dependent variable is the color change.
So answer is
Option a) amount of chemical b
