During what approximate time period

Explain the significance of the heliocentric theory. What is it? What did it change?

What was an important outcome of the age of reason in the 17th and 18th centuries?

The hellenistic scientist who argued that the earth was the center of the universe

What invention, developed by Johannes Gutenberg in 1454, enabled ideas to spread quickly?

Which president describes himself at the end of his term as the president without a party

Why were merchants essential to the industrial revolution?

One key political message of the english civil war was that a. the needs of the few outweigh than the needs of the many. b. no ruler can arrest the elected members of the parliament. c. to the victors of the war go the spoils. d.

What were Mayan pyramids used primarily for

Where do acids that form acid rain come from? Name at least two places that they can come from.

What effect did industrialization have on life expectancy in the United States and Western Europe?