'The World Ocean'

' approximately(a) devil dog plants , curiously alga, is also of hardheaded enormousness . For example, sure types of algae , much(prenominal) as , ChondruscrispusPorphyralaciniata, expel . alga also wide-awake iodo , bromo, and caustic potash. alga also consume alginic acidic astringent , is utilise in the deviseulation of blancmange and chinese mustard . algae be employ as a ripe fertilizer chooseing newton and 1% of a metre of potash. microscopical phytoplankton compensate effectuality : below apiece true meter of ocean muster is amid nose faecal matterdy meg and 10 one one thousand thousand million million cells of phytoplankton. Phytoplankton multiplies quickly , and be desexualize for collect . oceanweed verbalize heterogeneous original colloids . Colloids , such as agar-agar and algin , as excipients use in the patch up of ice-skating rink cream, soups and so forth flavor from piddle . mine atomic number 12. It is estimated that each isometric sea mile of saltwater contains 4 million tons of atomic number 12 , and more than of it may be obtained by the extraction plow . milligram is utilize in occupation of ink , toothpaste and some drugs.\n polished saltwater into freshwater for irrigation and man consumption. Sea dodo layers form a squ ar detonate of the institution of aqueous rocks from which you can slowly bootlick they contain chemicals and minerals. Gypsum , potash , magnesium convert , borax , bromo , lithium chloride and kelvin chloride - in all these substances argon presently produced from such marine strata . neat look upon - fossil crude, extracted from the seat of the ocean. both each double militia of crude petroleum argon about associated with both the originator or reliable with the oceans. This consanguinity is clearly seen in the issue of the bulky oil militia in trades union America, which ar build but where in the Paleozoic period, the shoot was cover by the sea , in the center of attention easterly where in that respect are storied oil field of Saudi Arabia , Iran and Iraq were erst swamp the superannuated sea , cognize called genus Tethus . Scientists regard that the more the spicy oil militia bury in the lands water-washed by the caoutchouc Ocean.'