IPlanethi yoMhlaba iyamangalisa. Noma sihlukaniswe amazwekazi, futhi noma ngabe siqhelelene ngamakhilomitha ayizinkulungwane eziningana, okwenzekayo lapho sihlala khona kungaba nomthelela kuwo wonke umhlaba. Futhi hhayi lokho kuphela, kepha kulokho okungabonakala njengenhlabathi engenazakhi zomsoco, kwezinye izitshalo kungumanyolo omuhle kakhulu emhlabeni.
Ngokuya ngocwaningo olwenziwe ososayensi e-University of Michigan, UC Merced, kanye ne-University of Wyoming, AmaRedwoods akhula eSierra Nevada yaseCalifornia avundiswa ngothuli oGwadule lwaseGobi, esukela enyakatho yeChina iye eMongolia.
Ama-redwoods aseCalifornia ahlala endaweni lapho i-phosphorus ingenye yezinto eziyisisekelo ezikhona emhlabathini. Le minerali ibaluleke kakhulu ezitshalweni, hhayi kula ma-conifers amakhulu kuphela, kepha nakwezinye izidalwa zezitshalo, ngoba ngaphandle kwawo bezingakwazi ukukhula kahle futhi zingagcina zifa.
Ngenhlanhla ngama-redwoods nezinye izitshalo ezihlala nabo, uthuli lwogwadule lwaseGobi, uma selubekwe phansi, ngezimvula i-phosphorus eliqukethe itholakala ezitshalweni, okuyimunca ngezimpande zabo.
Ochwepheshe bakholelwa ukuthi, yize ugwadule luthuthuka ngenxa yokushisa komhlaba, kuzothuthwa uthuli oluningi luphethe i-phosphorus nezinye izakhi zomzimba ezibalulekile zemvelo yezintaba ezikude. Kodwa-ke, uma izitshalo zingakwazi ukuzivumelanisa nezimo zezulu ezintsha, izakhi ezisenhlabathini ngeke zisize.
Izimila zikhipha umoya-mpilo nge-photosynthesis, igesi okungekho noyedwa kithi obengaba lapha namuhla. Ngokuya ngalokhu, ngicabanga ukuthi kubaluleke kakhulu ukuthi ohulumeni nathi uqobo sibavikele. Into elula njengokutshala isihlahla isiza ukuthuthukisa ikhwalithi yomoya futhi yenze ukubukeka kwendawo kube luhlaza.
Uma singenzi lutho, ngokushesha noma kamuva sinezinkinga eziningi.
Ungasifunda isifundo lapha (ngesiNgisi).
Yiba ngowokuqala ukuphawula