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.
Answer:
Trade by barter
Explanation:
This economic system is known as the oldest economic system used by humans many years before money was first printed.
In this system, individuals traded their goods for another good that they wanted. It was not uncommon to see people trade copper for wheat or to trade a donkey for a dove.
This system made people to give out what they had (which they usually had in excess) for what they wanted.
Answer: I do not see a map, but the Seminole Indians are part of what is now florida, which spain owned back then.