English Language · English

Rearrange the following sentences to form a coherent paragraph and choose the correct sequence from the options given below: A. The disaster occurred on 26 April 1986, when a sudden surge of power during a reactor systems test resulted in an explosion and fire that destroyed Unit 4. B. The Chernobyl disaster was a nuclear accident that occurred at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic, then part of the Soviet Union. C. The accident is considered the worst nuclear disaster in history, both in terms of cost and casualties, and is one of only two nuclear energy accidents rated at seven—the maximum severity—on the International Nuclear Event S cale, the other being the 2011 Fukushima Daiichi nuclear disaster in Japan. D. The event exposed millions of people in the region to dangerous levels of radiation and forced a large-scale, permanent evacuation of hundreds of towns and villages in Ukraine and Belarus.