Geographic, physical and social factors. Geographic factors such as location, Physical factors such as mountains , rivers, lakes, etc. and socail factors such as language, culture, customs, etc.
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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.