Who showed that our universe is heliocentric—the planets of the solar system revolve around the sun?

In hand stitched dreams which clue tells you that the historical period of the events will be important in the story

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

Which best describes the purpose of the second continental congress?