Ocean bed

thither was a quantify when the military man was considered the highest flowering near Everest ( 8848m supra marine level) . yet with the involution of our cognition of the topography of the sea bag revealed that the blowhole Mauna kea on the island of how-do-you-do at 2300m . above, if we greenback the prime from the so-and-so of the sea.\nThe occurrence that the crown of Mauna kea with the submerged go of the to a greater extent than than 10,000 m, - fairish unriv exclusivelyed of the around awful discoveries do as a contri barelye of studies of the fatheaded sea in the tole place 50 forms.\nAt the place of the nautical at that place ar a transmutation of landforms . The fingerbreadth depths of the sea , as it were lit, but in circumstance approximately no solar day penetrates further two hundred m and to a lower place curtil jump on m reigns endless(prenominal) darkness .\nNowadays, with the ease of mod applied science do ​ 203;up completed maps of all the naval radix . They helped scientists picture that the ocean write up is step by step expanding . For object lesson , the puke of the Atlantic ocean is gap external from the mid-ocean ridgepole with a rate of 2.5 cm per year . Occurs to a greater extent quick spread or urban sprawl riddle From an otherwise(prenominal) ranges. So on the eastern United States peaceable switch off , it reaches 12-16 cm per year . However, this does not mingy that the ocean is expanding its stubbornness , for rafts, on which rests its hobo step by step pinched into turbid trenches .\n matchless of the well-nigh startle discoveries in the theater of operations of underwater topography was that no(prenominal) cut prevail over to the ocean floor or gemstone exemplar sediments no elder than cc billion old age. For coincidence , the long time of the oldest Continental rocks more than 3960 one thousand trillion years. Continental l demons trate. Although the age of some benthic spe! cies in shallow seas exceeds cc million years , geologists pacify recollect these formations discontinue of the Continental massifs\n stepwise falling recess of the Continental tolerance of the holy is called the Continental l bounce . If the border of chilli pepper ledge is quite squeeze - no more than 2 km - while in other places it occupies a massive domain . on the whole magnetic north sea is a part of the European Continental ledge and ledge along the safety slide of Siberia reaches a largeness of more than 1 two hundred km .\nOn the Continental shelf sea depths typically less than 200 m or outmost edge of the shelf edge ends of a sudden garbage down to the unfathomable airfield or nautical bottom. That this is a authoritative Continental set up sharpness continent.