Answer:
Control
Explanation:
Professor Eatwell is trying to study the effects of zinc supplements on young adults' susceptibility to the cold virus. In order to study the effect of zinc supplements it must be made sure that the effects observed during the study is the effect of the zinc supplement solely.
In order for this to happen a control group is used where the group is not given zinc supplements even though the group members think that they are receiving zinc supplements.
Answer:B I think it is idk if I’m wrong report my comment
In a feudal system, a peasant or worker known as a vassal received a piece of land in return for serving a lord or king, especially during times of war. Vassals were expected to perform various duties in exchange for their own fiefs, or areas of land.
He transformed Egypt by establishing a dramatic reforms in the economic, military and cultural spheres and he also introduced a violent cleansing of Mamluks, consolidating his rule and completely ending the Mamluk hold over Egypt
Answer:
Norms provide order in society. ... Human beings need norms to guide and direct their behavior, to provide order and predictability in social relationships and to make sense of and understanding of each other's actions. These are some of the reasons why most people, most of the time, conform to social norms.