Zoo li txhua lwm cov tsiaj nyeg, qaib tau tu thiab tu xyuas ntawm tus tswv. Tshwj xeeb tshaj yog acutely lawv xav tias yuav tsum tau rau pub. Ntawm chav kawm, thaum lub caij ntuj sov, cov noog no yog ib feem tau muab rau lawv tus kheej nrog zaub mov, yog tias lawv muaj chaw txaus rau kev taug kev. Tab sis tseem, lawv mus tsis tau ib ncig ntawm txoj kev rau ib xyoo thiab noj cov kab nyob rau hauv peb cov kev mob climatic, yog li peb yuav sim xyuas qhov tseeb raws nraim li cas thiab cov noog no yuav tsum tau muab pub txhua xyoo.
