Who was responsible for the contribution that light is emitted and absorbed in bundles that are dependent on the frequency of a light wave.

a. Albert Einstein

b. Max Planck

c. Thomas Young

d. Geoffrey Taylor

How did reforms during the 1860s affect mexico

2. Which Southerner established a soldiers' hospital in Richmond, Virginie A. Clara Barton B. Robert E. Lee C. Sally Tompkins D. William Sheppard

In early 2000s about 20 percent of the countries of the world were autocracies. a. True b. False

What is the Republican Party created to do?

Which concerns of the Anti-Federalists were satisfactorily resolved in the Constitution?

What were some signs of the Great Depression in American cities and towns? drought relief and victory gardens bigger families and more weddings soup kitchens and bank closures fewer car purchases and more requests for food stamps

For the period from 1500 to 1830, compare North American racial ideologies and their effects on society with Latin American/Caribbean racial ideologies and their effects on society.

The result of Justinian's attempt to reunite the old Roman Empire was A) a weak but harmonious Roman Empire. B) expanding trade and an increase of wealth. C) a devastating war between Byzantine, Persian, and Mongol empires.

Why have some New England towns given up the town meeting form of government?

Did the union or confederacy have more farm acreage in 1860?