Izihlahla ziyingxenye ebalulekile yemvelo futhi ziyinto ebalulekile ezinhlelweni eziningi zemvelo emhlabeni. Umsebenzi wabo omkhulu ukuhlanza umoya. Kulula ukukuqinisekisa lokhu: ngena ehlathini futhi uzozwa ukuthi kulula kangakanani ngawe ukuphefumula phakathi kwezihlahla kunasemigwaqweni yedolobha, ogwadule noma e-steppe. Into yokuthi amahlathi akhuni amaphaphu eplanethi yethu.
Inqubo ye-photosynthesis
Ukuhlanzwa komoya kwenzeka ngesikhathi senqubo ye-photosynthesis, eyenzeka emaqabungeni ezihlahla. Kuzo, ngaphansi kwethonya lemisebe yelanga ye-ultraviolet nokushisa, i-carbon dioxide, ekhishwa abantu, iguqulwa ibe yizinto eziphilayo kanye ne-oxygen, ebamba iqhaza ekukhuleni kwezitho zezitshalo ezahlukahlukene. Cabanga nje, izihlahla ezivela ehektheleni elilodwa lehlathi ngemizuzu engama-60 zimunca isikhutha esikhiqizwa abantu abangama-200 ngesikhathi esifanayo.
Ukuhlanza umoya, izihlahla zisusa i-sulfur ne-nitrogen dioxides, kanye nama-carbon oxides, izinhlayiya ezincane zothuli nezinye izinto. Inqubo yokumuncwa nokucutshungulwa kwezinto eziyingozi kwenzeka ngosizo lwe-stomata. Lawa ma-pores amancane adlala indima ebaluleke kakhulu ekushintshaneni kwegesi nokuhwamuka kwamanzi. Lapho uthuli oluncane lufinyelela ebusweni beqabunga, lumunwa yizitshalo, okwenza umoya uhlanzeke. Kodwa-ke, akuwona wonke amadwala akwazi ukuhlunga umoya, ukususa uthuli. Isibonelo, izihlahla zomlotha, isihlahla sonwele kanye nelinden kunzima ukubekezelela indawo engcolisiwe. Ngakolunye uhlangothi, amamephu, poplars nama-oki, amelana kakhulu nokungcola komkhathi.
Ithonya lokushisa ekuhlanzweni komoya
Ehlobo, izikhala eziluhlaza zinikeza umthunzi futhi zipholisa umoya, ngakho-ke kuhle njalo ukucasha emthunzini wezihlahla ngosuku olushisayo. Ngaphezu kwalokho, kuvela izinzwa ezimnandi kulezi zinqubo ezilandelayo:
- ukuhwamuka kwamanzi ngamahlamvu;
- ukunciphisa ijubane lomoya;
- ukufakwa komoya okwengeziwe ngenxa yamaqabunga awile.
Konke lokhu kuthinta ukwehla kwezinga lokushisa emthunzini wezihlahla. Imvamisa kuba ngamadigri ambalwa ngaphansana kohlangothi lwelanga ngasikhathi sinye. Mayelana nekhwalithi yomoya, izimo zokushisa zithinta ukusakazeka kokungcola. Ngakho-ke, lapho izihlahla zanda, umoya uba opholile, futhi izinto ezingeyona ingozi ziyashabalala bese zikhishelwa emoyeni. Futhi, izitshalo ezinamapulangwe zikhipha izinto eziwusizo - ama-phytoncides angabhubhisa isikhunta esiyingozi namagciwane.
Abantu benza ukukhetha okungalungile ngokubhubhisa amahlathi wonke. Ngaphandle kwezihlahla emhlabeni, ngeke kuphele izinkulungwane zezinhlobo zezilwane, kodwa nabantu uqobo, ngoba bazominyana emoyeni ongcolile, okungeke kube khona omunye umuntu ozowuhlanza. Ngakho-ke, kufanele sivikele imvelo, singabhubhisi izihlahla, kodwa sitshale ezintsha ukuze ngandlela thile sinciphise umonakalo odalwe isintu emvelweni.
