The Columbian exchange was the arrival of new species in the Old and the New Worlds. Among the many species that arrived in the New World were the bacteria and viruses that were causing many illnesses but to which the Old World people were immune. The Native Americans were not immune so many of them, by some estimates even 90 %, died.
Answer: The SNCC, or Student Non-Violent Coordinating Committee, was a civil-rights group formed to give younger Black people more of a voice in the civil rights movement. The SNCC soon became one of the movement's more radical branches.
Explanation:
Answer:
its a science that makes human dumb
Explanation:
it has toooo many nonsenses in it
