URGENT
Who was the Jewish American medical researcher and virologist that developed the vaccine for the crippling disease of polio in the 1950s?

Which are in millennium development goals check all that apply

Which of the following most accurately describes china today

In which supreme court case did the court rely on the concept of implied powers to make its ruling? a) gibson v. ogden b) mcculloch v. maryland c) dartmouth college v. woodward d marbury v. madison