Known today as the “father of modern chemistry,” Lavoisier was among the first to use quantitative methods in chemical investigations. He stated the first version of the Law of Conservation of Mass, named oxygen and discovered its role in combustion, and helped to construct the metric system. Lavoisier also worked to improve economic and social conditions in France. He was beheaded during the Reign of Terror because, as a member of the farmers general, one of his duties was to do what? Discuss