Answer:
B. He served as the first governor of Washington
Explanation:
Elisha Ferry served as Washington's first governor and helped lead Washington's efforts to become a state.
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:
Roger Williams founded the first permanent white settlement in Rhode Island at Providence in 1636 on land purchased from the Narragansett Indians. Forced to flee Massachusetts because of persecution, Williams established a policy of religious and political freedom in his new settlement.
Explanation:
A psychologist is an expert or specialist in psychology. Psychology is the study of the human mind and its functions.
