Kev ntim cov ntawv ntim nrog txhua qhov chaw peb nyob thiab ua haujlwm. Niaj hnub no, kev siv cov ntawv ntim cov ntawv ntim khoom muaj ntau heev. Txawm hais tias daim ntawv tais ntim khoom tuaj yeem rov ua dua tau ib txwm yog peb qhov kev txhawj xeeb. Tshawb xyuas nws rau txhua tus:
Lub eco-daim ntawv tais yog tsim nrog cov nroj tsuag ntuj thiab lwm yam minerals ua raw khoom. Daim ntawv tais ntim nws tus kheej tsis ua mob rau tib neeg, thiab tsis ua rau ib puag ncig. Lub thawv ntim ntawv yog qhov yooj yim rau degrade thiab tuaj yeem rov ua dua thiab rov siv dua, uas yog lub ntim khoom ruaj khov thiab zoo ib puag ncig.
Tag nrho cov txheej txheem ntawm daim ntawv tais ntim khoom los ntawm cov khoom siv raw, kev tsim khoom rau cov pa pa tawm yog ua raws li cov kev cai ib puag ncig. Peb lub teb chaws txhawb nqa kev lag luam ntim zaub ntsuab thiab txhawb kev tsim cov ntawv ntim khoom ntim.
