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USenenlo


USenenlo

Izakhiwo zomhlaba ezinkulu kunazo zonke emhlabeni amazwekazi kanye nezindawo ezingaphansi kolwandle. Ezweni nangaphansi kolwandle kunezindawo ezinezintaba neziyisicaba. Ngaphakathi kwamazwekazi, amathafa athatha u-65% ongaphezulu. Yiziphi izindawo ezibizwa ngokuthi amathafa, izinhlobo zazo, izinhlanganisela - izimpendulo zayo yonke imibuzo zingatholakala esihlokweni.

Liyini ithafa?

Isiqephu sezwe noma indawo engaphansi kolwandle enomthambeka omncane kanye nezindawo eziphansi neziphakeme, enendawo enkulu, ibizwa ngokuthi ithafa.

Kafushane nje ithafa, licishe libe isicaba elinamagquma noma amagquma.

ukuhlukaniswa kwamathafa

Kukhona ukuhlukaniswa kwamathafa, kubhekwa indawo yawo maqondana nezinga lolwandle.

Amathafa asendaweni ephakeme ngamamitha angama-0 kuye kwangama-200 ngaphezu kwezinga lolwandle abizwa ngokuthi ama-lowlands (i-West Siberian Lowlands).

Lolu hlobo luhlanganisa lezo ezitholakala ngaphansi kwezinga lolwandle (izindawo eziphansi ze-caspian)

Ithafa elinjalo lingase libe ngaphezulu kwe-a izinguzunga zeqhwa: I-Ross Ice Shelf e-Antarctica enendawo ecishe ibe ngu-487 km2 ikhuphuka ngaphezu kolwandle ngamamitha angama-50-100.

Izindawo ezithatha ukuphakama kusuka ku-200 kuya ku-500 m ziqanjwe ngamagquma. Ngokuvamile lokhu umumo wokusiza Itholakala endaweni ephansi. Ngokwesibonelo, Valdai Upland in the i-russian plain. Ubuso bamagquma bungaba namagobongo, kube nemihosha nemihosha, kuguquguquke kancane.

Kungase kukuthande:  eRussia emaphakathi

Amathafa asezifundeni ezinezintaba ezinobude obungaphezu kwamamitha angama-500 abizwa ngokuthi amathafa. Ngokuvamile ezakhiwe ngezingqimba zamadwala avundlile, izigodi zemifula zakha imihosha emincane enemiqansa. Igama elithi ithafa libhekisela endaweni eyisicaba ephakame ehlukaniswe nethafa ngamazenga acijile.

Ithafa livame ukwakhiwa ngenxa yentaba-mlilo ngesikhathi sokugeleza kodaka, isibonelo, iPutorana Plateau endaweni. Central Siberia Plateau.

Amathafa amakhulu kunawo wonke eMhlabeni.

Indawo yokuqala ithathwe ithafa lase-Amazonian, elinwetshiwe lisondele ku-5,2 million km.2.

Lezi zikhundla ezi-4 ezilandelayo zingezase-Eurasian Plains: isiRashiya, i-West Siberian, i-Central Siberian, ne-Arabian Plateaus.

Yini esiyifundile?

Sithole ukuthi yiluphi uhlobo lokukhululeka olubizwa ngokuthi ithafa, sajwayelana nokuhlukaniswa. Ukuhlanganiswa kwezinhlobo ezahlukene zamathafa akuvamile: igquma elingaphakathi kwemingcele yendawo ephansi, ithafa elisethafeni. Amathafa amane amakhulu kunawo wonke emhlabeni atholakala e-Eurasia, amabili awo asezintabeni.





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Okuqukethwe yi-athikili kuhambisana nemigomo yethu yezimiso zokuziphatha zokuhlela. Okwamanje sisebenzela ukulungisa nokuthuthukisa okuqukethwe kwethu ngezinye izilimi.

Uma ungumhumushi ogunyaziwe ungasibhalela nokusebenza nathi. (isiJalimane, iSpanishi, isiFulentshi)

Ukuze ubike iphutha lokuhumusha noma ukuthuthukiswa, chofoza lapha.

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