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.
Social media helps in spreading of information regarding any acts of violence.
Social media aware the people about their rights and responsibilities.
Social media leads to an easy and fast spread of political messages.
Social media unites people.
Social media provides a platform to people to start and run petitions against human rights violations.
Answer:
President Theodore Roosevelt
Explanation:
It is important to know there are good and bad bacteria because we can assume that all bacteria is either bad or good, this way know there are both could help us understand in the future what to look out for.
<em>Answer:</em>
<em>The two things He did was he affirmed the building of iron curtain by soviet and that the Europe would be against it.</em>
<em>Explanation:</em>
In his Iron Curtain speech, Winston Churchill affirmed his wish to side with the United States against the Soviet Union and his belief that only the United States possessed nuclear weapons.
Winston Churchill used the Iron Curtain expression to refer to the border, not only physical but also ideological, that divided Europe into two blocks after World War II. Churchill popularized the term at a conference in the United States in 1946, when he said:
"From Stettin, in the Baltic, to Trieste, in the Adriatic, an Iron Curtain has fallen on the continent"
<em>The frontier of which Churchill spoke divided the socialist states, headed politically, economically and militarily by the Soviet Union, and the capitalist states, aligned with the United States.</em>