Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
Explanation:
B. handicapped
ADA is<span> The Americans with Disabilities Act </span>
The religion in Arabia before Islam were indigenous polytheistic beliefs, Christianity, Judaism, and Iranian religions of Zoroastrianism, Mithraism, and Manichaeism. Each tribe believed in a different god. While Islam recognizes Allah as their one and only god that they believe in.
Answer:
i think its the president and congress arguing about whether or not to help in europe
Explanation:
not sure tho, what are you learning about rn? maybe that'll help me figure out around what time this was and what was going on
