violent earthquake hit the Japanese capital" Tokyo" and the central and the north-East regions of the country on Friday,

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violent earthquake hit the Japanese capital" Tokyo" and the central and the north-East regions of the country on Friday, March 11. It created a destructive tsunami ravaged the coast of "Honcio" island. Reports from" Sindia" indicated that people were killed and wounded, in addition to the occurrence of massive damages at a large scale . The nu-electric station in "Onaghafa" was shut down. In addition, this earthquake led to the outbreak of fires in Tokyo and the collapse of residential buildings. Military units were dispatched to the most affected areas, as the president gave orders to send war ships to the areas stroke by tsunami. The outbreak of fire caused an explosion in oil depot belonging to "Kozmo Oil Co" in "Akehara" one of the suburbs of the capital of Japan. According to firefighters statement fire broke out in 14 industrial facilities in Tokyo. The north-east part of the country was inflamed by 48 big fires. The Japanese news agency" Kyodo News" quoted that the prime minister said:"no signs of radioactive leakage from the nuclear power plant". Also the Prime Minster announced that the earthquake and tsunami resulted in a massive destruction where he promised that the government will do everything in its power to mitigate the consequences of the disaster.
المجلس الأعلى للتعليم Crack 1. in earth crust Crack 2-in earth crust Gas Well Figure 1 Crack 1. in earth crust Crack 2- in earth crust Gas well Figure 2
Based on the previous text and the comparison between figures 1 and 2, answer the following questions: Question 1: If you are one of the engineers working in gas extraction plant in figure 1, select the most appropriate and safest location to build the station in order to avoid damages caused by earthquakes. Give a scientific point of view showing reasons for your choice to build this station in the supposed location. Question 2: After a period of time an earthquake hit the gas extraction site as shown in figure 2. Put true (V) or false (x) before the following sentences: No. sentence answer false true 1 2 3 Extraction of gas from reservoir tanks increased pressure on the right side of zone B Extraction of gas from the reservoir tank caused the earthquake Tsunami waves that were formed have a big destructive impact The gas extraction plant will sink into the sea The existence of the station plays a major role in creating earthquakes. 4 5
Question 3 It would be better not to leave gas extraction area empty as air bubble, so if you're one of the engineers working at station what would you choose as the best method to close this air bubble at the lowest economic cost and as fast as possible? 1- Casting big amount of sand inside the area where the gas was extracted 2- Pumping large quantities of cement into the area where the gas was extracted 3- Pumping large quantities of water into the area where the gas was extracted 4- Pumping large quantities of water and cement mixed with sand. Question 4 A- In which direction tsunami wave will be moving? Give an explanation to your answer. B- List 2 economic damages resulting from earthquake hitting the coastal area other than those mentioned in the previous text. 1- 2-
Question 5: A- Based on what you understand from the previous text and figures, correct the following sentences: 1- Earthquakes occurred only in the land. 2- Earthquakes are distributed randomly in the world. B- What is the mission of "Onaghava" station?