What happens to an amendment that is not ratified?

it goes to the states for changes and a new vote.
it is not put in the constitution but remains a law.
it is sent to the president.
it is not put in the constitution and is not a law.

Which of these would be most useful in studying the effect of germs exchanged between the new and old worlds? a. a graph showing the number of europeans between 1492 and 1600. b. a graph showing the number of native americans between 1492 and 1600. c. a primary source description of the symptoms of an unknown disease affecting native americans in 1492. o d. a primary source description of the symptoms of an unknown disease affecting europeans in 1492.