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Part – 1 Of Video

The Mariana Trench or Marianas Trench[1] is positioned within the western Pacific Ocean about 200 kilometres (124 mi) east of the Mariana Islands, and has the deepest pure trench on the planet. It is a crescent-shaped trough within the Earth’s crust averaging about 2,550 km (1,580 mi) lengthy and 69 km (43 mi) large. The most recognized depth is 10,994 metres (36,070 ft) (± 40 metres [130 ft]) on the southern finish of a small slot-shaped valley in its ground referred to as the Challenger Deep.[2] However, some unrepeated measurements place the deepest portion at 11,034 metres (36,201 ft).[3] By comparability: if Mount Everest was positioned into the ditch at this level, its peak would nonetheless be over two kilometres (1.2 mi) underneath water.[a]

At the underside of the ditch the water column above exerts a stress of 1,086 bars (15,750 psi), greater than 1,000 instances the usual atmospheric stress at sea stage. At this stress, the density of water is elevated by four.96%, in order that 95.27 of any unit of quantity of water underneath the stress of the Challenger Deep would comprise the identical mass as 100 of these items on the floor. The temperature on the backside is 1 to four °C (34 to 39 °F).[5]

The trench shouldn’t be the a part of the seafloor closest to the middle of the Earth. This is as a result of the Earth is an oblate spheroid, not an ideal sphere; its radius is about 25 kilometres (16 mi) smaller on the poles than on the equator.[6] As a end result, components of the Arctic Ocean seabed are at the very least 13 kilometres (eight.1 mi) nearer to the Earth’s middle than the Challenger Deep seafloor.

In 2009, the Marianas Trench was established as a United States National Monument.[7] Xenophyophores have been discovered within the trench by Scripps Institution of Oceanography researchers at a report depth of 10.6 kilometres (6.6 mi) under the ocean floor.[8] Data has additionally steered that microbial life varieties thrive inside the trench.

The Mariana Trench is known as after the close by Mariana Islands (in flip named Las Marianas in honor of Spanish Queen Mariana of Austria, widow of Philip IV of Spain). The islands are a part of the island arc that’s shaped on an over-riding plate, known as the Mariana Plate (additionally named for the islands), on the western aspect of the ditch.

Part – 2 of Video

North Korea (North Korea: 북조선, MR: Pukchosŏn , RR: Bukjoseon , South Korea: 북한, MR: Puk’an, RR: Bukan ), formally the Democratic People’s Republic of Korea (DPRK or DPR Korea) (Korean: 조선민주주의인민공화국, Chosŏn Minjujuŭi Inmin Konghwaguk), is a rustic in East Asia constituting the northern a part of the Korean Peninsula, with Pyongyang the capital and the most important metropolis within the nation. To the north and northwest, the nation is bordered by China and by Russia alongside the Amnok (referred to as the Yalu in Chinese) and Tumen rivers[14] and to the south it’s bordered by South Korea, with the closely fortified Korean Demilitarized Zone (DMZ) separating the 2. Nevertheless, North Korea, like its southern counterpart, claims to be the legit authorities of your entire peninsula and adjoining islands.[15]

In 1910, Korea was annexed by Imperial Japan. After the Japanese give up on the finish of World War II in 1945, Korea was divided into two zones, with the north occupied by the Soviet Union and the south occupied by the United States. Negotiations on reunification failed, and in 1948, separate governments had been shaped: the socialist Democratic People’s Republic of Korea within the north, and the capitalist Republic of Korea within the south. An invasion initiated by North Korea led to the Korean War (1950–1953). The Korean Armistice Agreement caused a ceasefire, however no peace treaty was signed.[16]

North Korea formally describes itself as a “self-reliant” socialist state, and formally holds elections,[17] although stated elections have been described by outdoors observers as sham elections.[18][19] Outside observers additionally typically view North Korea as a Stalinist totalitarian dictatorship,[28] significantly noting the frilly cult of character round Kim Il-sung and his household. The Workers’ Party of Korea (WPK), led by a member of the ruling household,[29] holds energy within the state and leads the Democratic Front for the Reunification of the Fatherland of which all political officers are


  1. Nice video. But i seen some where tath submarine. Got small glass windows. It got a double glass .when thay get thear .tath glass outside it's get crack .an thay come out .beacus of pressure !!! If I finde tath video so I send u !!

  2. जिस दिन इंसान ईद माँ को समझ लेगा उस दिन सबकुछ समझ लेगा जो भी ह यही पर ह दूजे ग्रहो पर हम नहीं जायँगे कितना भी करलो यही स्वर्ग ह और यही नर्क ह अच्छा जीवन ही वसर्ग और भूक मरी बीमारी शरीर से दुखी यही जीवन को भोगना [पड़ता ह यही सब कुछ ह ऊपर और नीचे कुछ नहीं जयहिंद


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