Around the year 1540, a group of european explorers reached the grand canyon for the first time. identify the explorer who led the expedition.

A society in which the leadership, such as a dictator, answers all economic questions, is an example of which type of economic system?

Melinda enters college with plans to join the peace corps after graduation. she hopes to promote an end to discrimination against women. to what level of moral reasoning is she likely aspiring?

One of the mental changes young adults experience is a better sense of identity. True or False?

Laird: Pure research provides us with new technologies that contribute to saving lives. Even more worthwhile than this, however, is its role in expanding our knowledge and providing new, unexplored ideas. Kim: Your priorities are mistaken.

Did women disguise themselves as men to fight in the civil war?

What are the characteristics for the desert climate

What is a revolution? (type of protest?)

How did Renaissance writers change art

Define optimal efficiency.

Which term describes substances that absorb some wavelengths of light