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Imithombo Ihlathi behlabathi - izipho indalo eluntwini
uhlaza yomhlaba zingahlulwa ngokweendidi ezibanzi ezimbini: iintyatyambo zasendle kwaye belima. Okwangoku, kukho amawaka amathandathu iintlobo kufuneka zijolise kwiintlobo eziqhelekileyo. Xa iyonke kukho 15-20 izityalo ezifana, okufana nerayisi, ingqolowa, umbona, iimbotyi zesoya kunye nezinye. imithombo Ihlathi kwehlabathi bamele yinxalenye ebalulekileyo ye izilwanyana zasendle Earth didi. Njengoko kunye nezinye iintlobo ezininzi asethi zendalo, kuba imithombo exhaustible ukuba kusengenziwa wachacha. Olu hlobo kwemithombo yendalo zisetyenziselwa iinjongo ezininzi ezahlukeneyo, aze enze zonke iintlobo zemisebenzi.
imithombo Ihlathi yehlabathi ngokwesithethe luphawulwa izikhombisi ezintathu eziphambili, kubandakanywa umhlaba ehlathini, ubungakanani umzila, kwakunye noninzi lwezinto bemi imithi. Noko ke, nangona njalo ngonyaka kukho ukwanda ngasinye izikhombisi, oko kuyimfuneko ukuqaphela iingxaki ezithile.
imithombo Ihlathi lwehlabathi ukususela kumaxesha amandulo esisetyenziselwe ukwakhiwa kunye nokuvuselela izindlu, bobabini abantu bamandulo mihla. Okwangoku, phantse isiqingatha womthi zivunwa iya nenjongo echazwe-ngentla. Kulo mzekelo, inkqubela zeteknoloji akuthethi wolinciphisa efikelela ukuguda zendalo. Abayili kunye nabayili bezakhiwo, ehlabathini jikelele baye basebenzisa ngempumelelo izinto ezifanayo kweeprojekthi zabo. Noko ke, nangona iindlela ezahlukeneyo yokulondoloza ubutyebi bendalo, ukusetyenziswa mkhulu kakhulu unikezelo, yaye oku kukhokelela kukuba izibonelelo ihlathi yehlabathi kancane.
Ukongezelela koko, ukususela kumaxesha amandulo, kukho uphuhliso esebenzayo yezolimo. Kwelinye icala, oku kwabangela kwamahlathi le planethi. Kuqikelelwa ukuba nyaka ngamnye indawo ehlathini kuncitshiswa malunga 0.5 ekhulwini. Oku kuthetha ukuba nokuba ukukhula yamahlathi ekhoyo kunye nezinye izinto ezichazwe ngasentla alunakho nakanye ukubonisa zonke iimfuno zoluntu.
Ke kaloku ihlathi, kwakunye nemigxobhozo, kuba i "emiphungeni 'lo mhlaba. Oku kuthetha ukuba uxanduva lokuzalisa zofakelo oksijini emoyeni. Kufuneka kuqatshelwe ukuba ukuncipha amahlathi nayo kukhokelela ekutshatyalalisweni kunye nokhukhuliseko lomhlaba inshorensi, leyo isidima ezolimo.
imithombo Ihlathi yehlabathi. Uluhlu ukwabiwa Ihlathi
| ndawo | Area, mln. Ha |
| umhlaba | 4170 |
| Europe | 200 |
| Asia | 530 |
| North America | 850 |
| umzantsi Melika | 850 |
| Afrika | 740 |
| Australia ne Oceania | 200 |
Ngokuhlalutya le theyibhile, oko kuqatshelwe ukuba izibonelelo ihlathi yehlabathi enza kwiingingqi ezimbini eziphambili, ekuthiwa imimandla: ngasentla nangasezantsi. Xa oovimba efanayo ngamaplanga zabèka ngokulinganayo. South Belt ise kwimozulu emvula sentshinyela, lo gama ngasentla ziquka zone sezulu sabutropikhi.
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