Jonas Salk was an important American medical researcher and virologist, who is mostly known for developing the first successful polio vaccine in 1955.
-Gvcci
A. two houses of congress with representation based on state population
James Madison authored the Virginia Plan which proposed a bicameral or 2 house legislative branch. The Virginia Plan was compromised with the New Jersey Plan (one house with equal representatives from every state regardless of population).
Answer:
It was David Livingstone who was the first to cross the African continent. He did so under great amounts of danger and would eventually die a mysterious death in Africa.
Explanation:
there then
Answer:
The 1925 Geneva Protocol was a law that made it illegal to fight with chemical or biological weapons in war.
