You want to experiment to see how long it takes for water, hydrogen peroxide, and vinegar to boil. You decide heat up 10 mL of water, 20 mL of hydrogen peroxide, and 30 mL of vinegar. Would this experiment be valid? Why or why not?
A) The experiment is invalid because more than one variable in the experiment is changed.
B) The experiment is valid because all necessary variables are controlled appropriately.
C) The experiment is invalid because it is unsafe to heat up hydrogen peroxide.
