What contribution did Jonas Salk make to science in the 1950s?

He invented DDT, the "miracle" pesticide.

He designed the first US satellite.

He developed smaller computers.

He created a vaccine against polio.

The writers of which movement tossed away the exaggerated works of emotionalism and concentrated on recounting objective observations?

Which of the following people have never been nominated for Nobel Peace Prize?

In World War I, which of the following caused Russia to withdraw from the war in early 1918?

How many people are estimated to have died during the Holocaust? 6 million, 8 million, 11 million, 13 million

Simon Bolivar was also known as a. The Liberator c. The Feedom Fighter b. The Ultimate Fighter d. The Great Columbian

What was a reason many people emigrated from their homes?

Who launched the meiji restoration

How many Fortune 500 companies are located in South Carolina? (As of 2015)

Which was not true of the early Christian Church? A. Christian communities spread across the Roman world, but all followed a clearly defined theology B. early Christians came from many backgrounds but shared certain beliefs and practices C.

Cuál fue el resultado de la intervención de los Aliados en la guerra civil de Rusia?