The correct answer of the given question above would be the last option. The important difference between the crystals that Becquerel exposed to sunlight and the crystals that he kept in the drawer is that, there <span>was no difference between the crystals because Becquerel used uranium crystals in both instances. He concluded a mineral containing uranium could produce it's image in a photographic plate both without the sunlight and with sunlight. Hope this answer helps.
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The word that best describes Americas attitude towards the soviet Union/communism during the cold war is capitalism.
<h3>What is Capitalism </h3>
Capitalism is an economic principle where the factors of production are firmly controlled by private individuals other than the government.
This is in contrast to the economic principle of socialism where the factors of production are controlled by the government.
<h3 /><h3>What is the Cold War </h3>
The cold war was an ongoing rivalry for economic supremacy between the United states and the USSR after the events of the second world war.
Learn more about the cold war at brainly.com/question/856013
doubled the size of the united states
