What traditional idea did enlightenment thinkers challenge to improve the lives and freedoms of ordinary people?.

To avoid becoming distracted by an urgent situation while driving, you must: a. deal with it while you continue driving b. think about while you're stopped at intersections c. pull over to deal with it

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

He did chinese culture change during the warring states period