Question

1. if a research group is testing out a new vitamin and they provide two experimental groups with different amounts of vitamins, what will the control group receive?

Explanation:

In an experiment testing a new vitamin, the control group is used as a baseline. It should receive no new vitamin (a placebo or nothing related to the new - tested vitamin) to compare the effects of the vitamin in the experimental groups.

Answer:

No new vitamin (a placebo or nothing related to the new - tested vitamin)