Which scientist originally defined pH?

a. Lavoisier

c. Descartes

b. Søren Peter Lauritz Sørensen

d. Bronsted

Why did the pope name Otto I the emperor of the Holy Roman Empire

When did Pope John Paul II write the encyclical entitled "Redemptoris Missio."

After world war II in 1945, what would explain why soviet leaders wanted a buffer of satellite countries between the soviet union and germany?

During witch crusade did crusaders sack Constantinople

Who was the hawaiian king that united the islands to protect them from colonial powers?

In 1818, where did u. s. and british diplomats decide to place the u. s.-canadian border? a. at the 15th parallel b. at the 38th parallel c. at the 49th parallel d. at the 51st parallel

Which of the following is true about the treatment of migrant workers from mexico? mexican workers were welcomed in the 1920s because of the abundance of factory jobs, and many obtained citizenship in the 1930s.

How did the gupta empire change Indian civilization?

This document was signed at the end of the American Revolution and recognized the independence of America.

Which of following statements does not describe the growth of cities in the late 1800s? 1. immigrants settled in ethnic neighborhoods. 2. African Americans migrated to northern cities to escape racial unrest in the south. 3.