Umthelela Wemisebenzi Yabantu Olwandle Ulwandle selulokhu luwumthombo obalulekile wokuphila kwabantu, luhlinzeka ngezinsizakusebenza ezahlukahlukene njengezinhlanzi, usawoti, namaminerali, kanye nokusebenza njengendlela enkulu yokuhamba. Kodwa-ke, naphezu kwezinzuzo ezinkulu zolwandle, imisebenzi yabantu nayo inemiphumela emibi kakhulu ezindaweni zemvelo zasolwandle. Lesi sihloko sizoxoxa ngezinhlobo ezahlukene... Funda kabanzi
Umehluko Phakathi Kolwandle Nolwandle Imizimba yamanzi omhlaba imboza izindawo ezinkulu futhi iza ngezimo nobukhulu obuhlukahlukene. Amagama amabili avame ukusetshenziswa ukuchaza imizimba emikhulu yamanzi "ulwandle" kanye "nolwandle." Nakuba lokhu kokubili kuvame ukubonakala kufana futhi kuxhumene, kunomehluko obalulekile oyisisekelo. Kulesi sihloko, sizohlola umehluko phakathi... Funda kabanzi
Imithelela Yokumbiwa Kwamaminerali Ngaphansi Kolwandle Isingeniso Ukumbiwa kwamaminerali ngaphansi kolwandle kuyindlela yokusebenzisa izinsiza zamaminerali ezitholakala phansi kolwandle. Lo msebenzi uhilela ukukhipha izinto eziyigugu njengegolide, isiliva, ithusi, i-cobalt, i-nickel, ngisho namalahle phansi kolwandle. Ngokuthuthuka kwezobuchwepheshe kanye nesidingo esikhulayo sezinsiza zamaminerali, ukuhlola kwamaminerali ngaphansi kolwandle sekuyindlela ehlukile… Funda kabanzi
Ukwakheka Kwezilwane Zasolwandle Nokuzivumelanisa Nezimo Isingeniso Izilwane zasolwandle zinezinhlobo ezahlukene zezimo, ubukhulu, kanye nokusebenza okuhlukile ukuze ziphile ezindaweni eziguquguqukayo kakhulu futhi ngezinye izikhathi ezingafaneleki. Ukuhlukahluka kwazo kokwakheka kanye nokuzivumelanisa nezimo kuzivumela ukuthi zihlale ezindaweni eziningi zemvelo, kusukela emanzini angajulile kuya ekujuleni kolwandle okukhulu. Kulesi sihloko,… Funda kabanzi
Ukuhlukaniswa Kwezinhlobo Zezinhlanzi Olwandle Olujulile. Ulwandle olukhulu luyikhaya lezinkulungwane zezinhlobo zezinhlanzi ezinezimo, ubukhulu, nemibala eyahlukahlukene. Kusukela ekujuleni okumnyama kolwandle kuya ezitsheni zamakhorali eziphila kahle neziphilayo, izinhlanzi zidlala indima ebalulekile ezindaweni zemvelo zasolwandle. Ukuze siqonde kangcono lokhu kuhlukahluka, singahlukanisa izinhlobo zezinhlanzi ngokusekelwe ezicini ezahlukahlukene, okuhlanganisa... Funda kabanzi
Umlando Wokuthuthukiswa Kwemikhumbi Yasolwandle: Kusukela Emqondweni Kuya Kubuchwepheshe Besimanje Imikhumbi yasolwandle ingenye yobuchwepheshe bemikhumbi obuphawuleka kakhulu obake badalwa isintu. Le mishini ivumela abantu ukuthi basebenze ngaphansi kwamanzi ngokusebenza kahle kakhulu. Umlando wemikhumbi yasolwandle ugcwele izinto ezintsha, izivivinyo, kanye nemisebenzi yobunjiniyela ekhombisa izigaba ezahlukene zokuthuthukiswa kwalobu buchwepheshe… Funda kabanzi
Izindlela Zokuphathwa Kwemfucuza Emikhumbini: Imfucuza yemikhumbi ihlanganisa izinhlobo ezahlukene zemfucuza ekhiqizwa yimisebenzi yemikhumbi nemisebenzi esesikebheni, okuhlanganisa imfucuza kaphethiloli, imfucuza yasekhaya, kanye nemfucuza eyingozi njengamakhemikhali. Ukuphathwa kwemfucuza emikhunjini kuyisici esibalulekile sokuphathwa kolwandle kwanamuhla, hhayi nje ukuhambisana... Funda kabanzi
Umphumela Wokudoba Ngokweqile: Ukubuka Okuphezulu Nokwehla Kwezinhlelo Zemvelo Zasolwandle Ukudoba ngokweqile kuyinkinga yomhlaba wonke enemiphumela ebanzi ezindaweni zemvelo zasolwandle kanye nokuphila kwabantu. Lesi simo senzeka lapho izinhlanzi zibanjwa ngobuningi ngokushesha kakhulu kunokuba zingazala futhi zithathe indawo yezinhlobo ezilahlekile. Lo mkhuba awugcini nje… Funda kabanzi
Ukuhlaziywa Kwekhwalithi Yamanzi Olwandle Ukuze Kuphile Amanzi olwandle angenye yezingxenye ezibaluleke kakhulu zesimiso semvelo soMhlaba, edlala indima ebalulekile ekusekeleni ukuphila emhlabeni. Ngaphandle kokusebenza njengendawo yokuhlala yezinto eziphilayo zasolwandle ezahlukahlukene, amanzi olwandle alawula nesimo sezulu somhlaba wonke, athonya umjikelezo wamanzi, futhi asekela imisebenzi yabantu njengokudoba, ezokuvakasha, kanye nokuthuthwa kolwandle. Ngu… Funda kabanzi
Ucwaningo Lwesimanga Se-Red Tide Isingeniso Isimanga se-"red tide" siyinto yemvelo ethakazelisayo neyesabisayo. Sihilela ukuqhuma okungazelelwe kwenani lama-microalgae abizwa ngokuthi ama-dinoflagellates olwandle, okuvame ukuholela ekuqongeleleni okuphezulu kwama-pigment abomvu noma ansundu emanzini. I-red tide ingadala imiphumela ebalulekile kwezemvelo nakwezomnotho... Funda kabanzi