Thaum lub dav hlau ua lag luam feem ntau ya ntawm 30, 000 txog 36, 000 ko taw, lawv cov ntawv pov thawj qhov siab tshaj plaws yog feem ntau me dua. Cov dav hlau ua lag luam feem ntau muaj ntawv pov thawj qhov siab tshaj plaws ntawm kwv yees 40, 000 txog 45, 000 ko taw.
Yuav yoov npaum cas?
Ntau cov kab tuaj yeem ya tau ntev npaum li lawv nyob hauv huab cua uas yog li tsib caug degrees Fahrenheit, lossis sov dua. Yog tias huab cua kub hauv av yog li xya caum degrees, kab muaj txogpeb caug rau pua taw ua ntej lawv tsoo lub qab nthab thiab nws txias dhau. Nyob rau cuaj caum-degree hnub, ciam teb ntawd nyob li ntawm rau txhiab ko taw.
Kab ntsaum tuaj yeem ya tau li cas?
"Peb tuaj yeem khaws cov kab ntawm 5, 000 lossis 6, 000 ko taw," hais tias Phil Pellitteri ntawm UW-Madison kab kuaj kab mob. "Tab sis cua yog qhov tseem ceeb hauv cov kab txav, thiab nws nyuaj rau paub seb lawv puas ya lossis ya mus."
qhov siab tshaj qhov kab laum ya tau yog dab tsi?
Nyob rau xyoo 2008, ib cheeb tsam ntawm cov muv tau pom nyob rau Mount Everest ntawm ntau tshaj 5, 600 meters (18, 400 ft) saum hiav txwv qib, qhov siab tshaj plaws paub rau kab.
yoov tshaj cum yoov tshaj plaw li cas?
yoov tshaj cum ya li cas? Feem ntau, yoov tshaj cum uas tib neeg nyiam ya ntawm qhov siab ntawm tsawg dua 25 ft. Neeg Esxias Tiger Mosquitoes tau pom yug me nyuam hauv tsob ntoo qhov siab tshaj 40 feet saum av. Hauv Singapore, lawv tau pom nyob rau hauv cov tsev 21 cov dab neeg saum toj noav.
