South Carolina, after Lincon was elected, left the union, because they knew Lincoln's stance on slavery, and how he intended to abolish it. Later, war broke out because of the rebellion of ending slavery.
Killed off as much as 90 percent of the native population
The correct answer is B. Antoine-Laurent de Lavoisier was a French chemist, biologist and economist who discovered <em>the law of conservation of matter</em> in 1785.
This law states that during a chemical reaction, <u>the total mass in the system remains constant</u>, that is, the mass consumed of the reactants is equal to the mass of the products obtained.
