What is the most important thing in the world's?

Which region was almost every country colonized by an imperial power in the 19th century

Which of the following was used only once, to ratify the 21st amendment (repealing prohibition)? a.three-fourths of both houses of congress. b.three-fourths of the state legislature approved it. c.two-thirds of the state legislature approved it. d.ratifying conventions in three-fourths of the states approve it.

Match each model with its name and the name of the scientist who created it.