Answer:
I would think that you would want to have the multivitamin and then a placebo, then conduct an experiment testing the results of the multivitamin and observe the effects on both groups taking the medicine.
Step-by-step explanation:
your control group would be the placebo and your experimental group would be the multivitamin...
Answer:
A is what i got but i could of done the math wrong sorry
Answer:
Step-by-step explanation: