What is a material burned for its pleasant smell

How and to what extent did the enlightenment thinkers challenge social and political aspect of the world in the 1700s?

Which of these coordinates is closest to mt. kilimanjaro? 2° s latitude; 30° e longitude 4° s latitude; 20° e longitude 34° s latitude; 20° e longitude 12° n latitude; 2° w longitude

In the 1800s, dorothea dix worked to improve conditions ina.)prisons and hospitals. b.)mills and factories. c.)utopian communities. d.)public schools