Answer:
placebo control group
Explanation:
In order to determine that a drug has any effect in the body participants of a study are divided into two groups a group which actually receives the treatment and the other group receives a fake treatment. The participants are unaware of which group they belong to.
The fake treatment group is called the placebo control group. If the drug is actually effective then the placebo control group should not shoe the same effects that the treatment group is showing.
Here, the capsule received by group 2 looks like the capsule with the Ginkgo Biloba herb. The participants of group 2 should not show an increased blood flow to the brain. The participants of group 1 should show an increased blood flow to the brain. This would prove that the Ginkgo Biloba increases blood flow to the brain.
Well, Native Americans had a bad impact with the Spanish exploration. The natives had no immunity to the diseases the spanish had brought over with them (examples are smallpox, influenza, and chicken pox). This caused a lot of american Indians to get sick and die. If this is a multiple choice question, it would be alot better if you could add the choices.
It would add tax to his businesses
I would tell the Slavs that our god is actually the same as their gods and that we name it differently and present him in a diffferent light and that he has shown us the right way and that they should subject tmeselves to his will which will save them from eternal hell.