<em>Baruch S. Blumberg invented </em><span><em>a vaccine for smallpox for which he won noble prize in 1976.</em></span>
Geologic processes that shape the Earth are cyclical. Geologic processes are only similar in if they occur in the same area.
The Cold War, a "war" of attrition and nuclear build-up between the United States and the Soviet Union, greatly shaped American culture by the people's emphasis on space and science to beat out the Soviets.
the answer is B..........
