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:
Answer: The most common way for a case to reach the Supreme Court is on appeal from a circuit court A party seeking to appeal a decision of a circuit court can file a petition to the Supreme Court for a writ of certiorari The Court will only issue a writ if four of the nine Justices vote to do so
Iraq was forced to accept the UN's cease-fire terms.
I just took this quiz on Edgenuity. The answer is option C, To prevent the continued rise of greenhouse gas concentrations. Hope this helps. Please give me brainliest :)
"<span>When did Commodore Matthew Perry of the U.S. Navy "open" Japan to U.S. trade?"
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B. 1853
