Which physicist formulated the Theory of Relativity, changing humankind's understanding of the universe forever?

A.

Albert Einstein

B.

Werner von Braun

C.

Edward Teller

D.

Norris Bradbury

What did cowboys do during the 1800's?

4. In the 1300s, which neighboring empire captured much of Songhai?

Which andrew carnegie quotation best explains why he funded libraries like the one in this photograph?

What stimulated a renewed emphasis on church building and renovation in the fourteenth century?

What is an example of equilibrium?

At the end of the Korean War, a cease-fire line was established near the

7. Because birth rates have begun to fall Earth's population will a. soon stabilize at the level it is today-more than 7 billion. b. begin to decrease until it reaches 5 billion. c. increase for a short time and then decrease to current levels. d.

Define twenty-first amendment

What is believed to be the correct order of migration after humans left America

What is a social contract?