Quicksand forms saturated xoob xuab zeb thaum xuab zeb dheev agitated. Thaum dej hauv cov xuab zeb tsis tuaj yeem khiav, nws tsim cov av liquefied uas poob lub zog thiab tsis tuaj yeem txhawb nqa qhov hnyav. … Qhov no ua rau cov xuab zeb tsim kev ncua thiab tsis muaj zog.
Koj puas tuaj yeem poob dej sai?
NPE. Quicksand-uas yog, cov xuab zeb uas coj tus cwj pwm ua kua vim tias nws muaj dej txaus- tuaj yeem ua rau muaj kev ntxhov siab, tab sis nws tsis yooj yim sua kom tuag hauv txoj kev uas tau piav qhia hauv cov yeeb yaj kiab. Qhov ntawd yog vim cov xuab zeb ceev ceev dua li tib neeg lub cev.
Dab tsi yog hauv qab ntawm cov xuab zeb nrawm?
Quicksand yog sib xyaw ntawm cov xuab zeb zoo, av nplaum thiab dej ntsev. … "Peb muaj cov xuab zeb hnyavhauv qab, thiab dej ntab saum nws. Nws yog qhov nyuaj ntawm kev nkag mus rau hauv cov xuab zeb uas hnyav heev uas ua rau nws nyuaj rau koj rub. koj ko taw tawm."
Koj tuaj yeem ntab saum cov xuab zeb nrawm?
Floating in Quicksand
Quicksand muaj qhov ntom ntawm li 2 grams ib milliliter. … Nyob rau theem ntawm qhov ceev ntawd, kev poob rau hauv cov xuab zeb nrawm yog ua tsis tau. Koj yuav nqis mus txog ntawm koj lub duav, tab sis koj yuav tsis mus ntxiv. Txawm cov khoom uas muaj qhov ntom ntom dua li cov xuab zeb nrawm yuav ntab rau ntawm nws-mus txog thaum lawv txav mus.
Yuav nrawm nrawm nyob qhov twg?
Quicksand tuaj yeem tshwm sim nyob txhua qhov chaw hauv ntiaj teb yog tias thaj tsam ntawm cov xuab zeb xoob yog dej los ntawm dej thiab ua rau ntxhov siab. … underground dej. Feem ntau, qhov no yog qhov zoo tshaj plaws ntawm kev tsim cov xuab zeb.
