Answer:
Prohibition ended with the ratification of the Twenty-first Amendment, which repealed the Eighteenth Amendment on December 5, 1933, though prohibition continued in some states. To date, this is the only time in American history in which a constitutional amendment was passed for the purpose of repealing another.
Answer:
1. Carbon-14 breaks down into nitrogen-14
2. I think it is the first one but I am not completely sure
3. nucleons
4. Strong Nuclear force
