UkubunjwaIsayensi

Ukujikeleziswa kwezinto kwi ongqonge umhlaba onokuphila

Phantse wonke schoolchild uyazi ukuba umjikelo we mba umhlaba onokuphila, sikhatshwe iinguqu amandla sisiseko zempilo indalo yonke into enxulumene nayo. ngokwalo kakhulu, lo mjikelo ingashwankathelwa ngale ndlela ilandelayo. Zemvelo eziphilayo kudla izixa ezikhulu izimbiwa ngemvelo efanayo, emva kokufa kwakhe, ngokohlobo izinto ezahlukahlukeneyo chemical emva imvelo efanayo, kanjalo zakha, edume lomba kwi biosphere. Le nkqubo kwakhona ngokuba inkqubo biogenic, kwaye beka ithombo isenzo sakhe emoyeni, lithosfere kwehayidrosfere. isimo inguqu izinto nokungazinzi koqoqosho kunye repeatable kwi kwimijikelo ezahlukeneyo yenza ukuba igama - umjikelo.

Phantse ngaphandle kokukhetha, izinto eziphilayo inxaxheba kulo mjikelo. Umzekelo, izityalo eziluhlaza kudla, leyo emoyeni, icarbon dioxide, izimbiwa, kunye nokusingqongileyo mpilo.

Izilwanyana aphefumle ioksijini enye, nto leyo ekhutshwa izityalo, kwaye ngokutya ezi zityalo, ukufunxa nasekuvuseleleni izinto eziphilayo. Ngaphezu koko, emva kokufa izityalo kunye nezilwanyana, Izidumbu zilungiswa ziibhaktheriya ezahlukeneyo ukwenza icarbon dioxide kunye nokuguqulwa khompawundi komgquba kweziyobisi bezimbiwa.

Ke Ukubolekisa zizinto umhlaba onokuphila - inkqubo ukujika kwezinto ukubana imali emhlabeni, apho kuwa izimbiwa, yaye ke, nayo, lilo izityalo. Ukushwankathela lo mjikelo kwinqanaba atom, kufuneka ibe nesiphelo ngokwanelisayo elula - iiathom zezinye izinto ezininzi ezingundoqo imichiza, enze eqhubekayo lokufuduka, hayi kuphela ephilayo omnye komnye, kodwa ukusuka kwenye uhlobo bume ukuya kwenye - gqolo ngoku emhlabeni, umoya kunye kwehayidrosfere.

Inani imijikelo enjalo phantse ongenasiphelo, umzekelo, kuqikelelwa ukuba ioksijini umoya ngokwendlela ngokupheleleyo kwiminyaka nje emibini kunye ezincinane amawaka udlula izinto eziphilayo. I intshukumo efanayo wenza carbon dioxide, ngoko kuphela umjikelo kuthatha ixesha ngaphantsi - kwiminyaka 200-300 kuphela. Njengenxenye yale nkqubo, nto leyo umjikelo lomba kwi onokuphila, omnye kumjikelo kuphela unyango kuthiwa imijikelo biogeochemical.

Yintoni kumiselwa kulo mjikelo? Ngelishwa, ezibanzi, kwaye okona kubaluleke kakhulu, ezele iimpendulo kulo mbuzo akukho. Ngaba ngokuthembekileyo sithi esinye sezizathu wakhetha nemiqobo resource-langa sethu. Olunye uhlobo lwe impendulo inakho ukuthembela kwiimfundiso Vernadsky enkulu umhlaba onokuphila apho okugxininisa oku ubukho imali space, nto leyo ngenxa nje kuphela edume mbandela, kodwa kwakhona ukutshintsha isandi umxholo iphela. Kuyaqapheleka ukuba zonke iintlobo imijikelo, njengoko asizange ukunika kwazo ngexesha kunye nendawo, enye into efanayo ukuba zonke izinto zawo. Bonke bephela ezidibene iinkqubo nethe amandla. Ekuqaleni, njengesiseko komjikelo, lenza amandla kwelanga. Ithi ke atshintshelwe ngeentlobo ezahlukeneyo chemical amandla kunye utshintshwano emzimbeni, kodwa ngenxa yokuba sinako ukuthetha umjikelo lamandla, umbanjwa kwi biosphere. Stability iinkqubo amandla kunye nonyango eziphilayo na imeko siphambili kwimeko eqhelekileyo kwaye uzinzile ongqonge umhlaba onokuphila.

Njengoko sele kukhankanyiwe, elinye i "amalungu asebenzayo" uninzi elijikeleza carbon. Ubukho lwesi sakhi phantse zonke izinto zemvelo ichaza ngokusengqiqweni lo umjikelo carbon kwi biosphere. Xa inkqubo yefotosinthesis, carbon-esigaya ukusuka Biosphere imimandla izityalo ajikwa carbohydrate. Xa nokuphefumla izinto eziphilayo, le nkqubo umva, yaye ngenxa yoko ke wachitha oovimba enkulu kumjikelo carbon. Imiba ephambili ezibonakalisa unyango carbon ezi nokuphefumla nangefotosinthesisi.

Kwakhona enye izinto eziphambili yonke into ephilayo yi nitrogen. Bakhe, njengesakhi esibalulekileyo, ibe ATP, iiprotheni, ii-asidi acid. Nitrogen iqulethwe kakhulu emoyeni, yaye ifomula yayo ezinto awuvumeli izityalo ukulisebenzisa ngqo. Ngoko ke izityalo kudla initrogen njengoko izinto ezingaphiliyo. Iindlela ngazo nitrogen nakwesiphi emhlabeni okanye emanzini, yahlukile, ngoko Ukubolekisa nitrogen kuhluka umhlaba onokuphila. Ngokomzekelo, ezinye initrogen eqalisiweyo umoya xa kukho isiphango. Nemvula okanye ubaleke-off baya emlanjeni, umhlaba, ichibi, apho ke wendele zizityalo.

Njengoko kubonakala, kuzo zonke iimeko, izinto eziphilayo asisiseko ukuze kwakhiwe izinto kwisiphaluka biosphere.

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