I believe this is referred to as the Columbian exchange. A good way to remember this is to recall that Columbus came to the Americas in 1492. Thus, the Columbian Exchange started.
Answer: B) So they can communicate their results without confusion
Explanation: There are other systems besides the metric system, though the metric is the most commonly used system. In the SI international system, all units are derived from each other, forming a unique international standard. That way, all scientists around the world, or at least most of them using the SI system, can communicate in a unique scientific "language" without confusion and misunderstanding.
THE ADVANCEMENT OF ROCKET SCIENCE
Answer:
This is an example of Addiction
Explanation:
Addiction is a repetitive habit that degenerates or causes some harm to the addict and those who live with him. The limit between a habit and addiction lies in the consequences they have on the person's life. Addiction takes the individual away from his essence and makes him focus more on obtaining pleasure through dependence than on the life he used to lead.
Answer:
incorporation of the Bill of Rights
Hope this helps!