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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Being the founders of the communist economic syste
Answer:
France and Britain
Explanation:
As most of the initial fighting took place in Europe and the Soviet Union and United States took several years to get involved France and Britain were the main Allied Powers at the beginning of World War II.
Answer:
d. he provided weapons to Israel
Explanation:
Metternich, the architect of the Concert of Europe<span>, used it to suppress ... Russia also witnessed the Polish Revolt (
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