Answer:
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<em>Cathode rays (electron beam or e-beam) are streams of electrons observed in discharge tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow, due to electrons emitted from the cathode (the electrode connected to the negative terminal of the voltage supply). </em>
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Answer:
On December 1, 1934 Sergei Kirov, head of the Leningrad branch of the Communist Party, was assassinated in his office. Initially, it was believed that Joseph Stalin ordered his killing. But why? Earlier in the year at elections for the Central Committee, Kirov supposedly received significantly fewer negative votes than Stalin did, thereby demoting Stalin from General Secretary to simply Secretary. Stalin regarded Kirov as a serious enemy, especially when he formed an anti-Stalin group. Stalin wasted no time allowing people to believe it was he who had Kirov murdered. He quickly took revenge upon other enemies, Lev Kamenev and Grigorii Zinoviev, by implicating them in Kirov’s death. They agreed to accept responsibility in return for a light sentence. In 1936, they were retried and both condemned to death. This intensely violent moment is an important point in Stalin’s Great Terror that he inflicted upon the Soviet Union in the late 1930s.
Explanation:
The answer is B.Because deforestation has nothing to do with water
Answer:
Trading with them, especially Japan and Korea and Teaching them to become monks.
Explanation:
The Tang Dynasty interacted with foreigners by Trading with them, especially Japan and Korea and Teaching them to become monks. The Tang Dynasty is one of the most powerful imperial dynasties in the history of China. The Tang dynasty is known for its invention of gunpowder and woodblock printing. The tang dynasty ruled for many decades in the history of ancient China and also spread their culture, belief, and ideas over Asia.
They didnt invent the astrolabe!