Video: Vim li cas cov ntoo sequoia tseem ceeb heev?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Giant sequoia loj hlob yog li ntawd loj vim lawv nyob ib heev ntev thiab loj hlob sai. Vim lawv xav tau cov av zoo-drained, taug kev ncig lub hauv paus ntawm loj heev sequoia tuaj yeem ua rau lawv raug mob, vim nws compacts cov av nyob ib ncig ntawm lawv cov hauv paus ntiav thiab tiv thaiv cov ntoo los ntawm kev tau txais dej txaus.
Tib neeg kuj nug, vim li cas cov sequoias loj heev tsuas loj hlob hauv California?
Vim nws cov tawv nqaij brittle, lub sequoia tsis yog hom ntoo muaj txiaj ntsig. Nws yog, txawm li cas los xij, tau sau ntau yam nyob ib ncig ntawm lub xyoo pua 20th. Keeb kwm, sequoias tuaj yeem pom thoob plaws sab qaum teb Hemisphere. Niaj hnub no, lawv pom nkaus xwb nyob rau hauv 77 groves tawg nyob rau sab qaum teb California.
Tsis tas li ntawd, puas loj sequoias tiv thaiv? Lawv cov tawv ntoo tuaj yeem loj hlob mus txog 3 feet tuab. 5. Txawm tias sequoias tau nkag rau xyoo 1870, lawv cov ntoo nkig tsis ua rau ntoo zoo; tam sim no, thankfully, feem ntau ntawm cov loj sequoia groves yog tiv thaiv . Lawv feem ntau yog ntau tshaj 20 feet ntawm txoj kab uas hla thiab mus txog 35 ko taw hla.
Qhov thib ob, muaj pes tsawg tus ntoo sequoia loj heev tseem tshuav?
Hnub no, zaum kawg sequoias yog txwv rau 75 hav zoov tawg khiav ri niab raws txoj siv nqaim ntawm sab hnub poob Sierra Nevada, qee qhov 15 mais dav ntawm 250 mais ntev. Giant sequoias yog cov kab mob uas nyob ntev tshaj plaws hauv ntiaj teb.
Cov ntoo sequoia loj hlob li cas?
Giant sequoias loj hlob ceev ceev thiab tsawg ntom thaum lub nce thiab teeb lub hnub raug thaiv. Lawv tawm loj hlob siab sai sai thaum lawv ncav cuag lub hnub puv. Thaum lawv ncav cuag hnub puv lawv pib loj hlob ib lub pob tw tuab, tuab nplooj, thiab sai sai muab qhov hnyav. Koj cog loj npaum li cas ntoo sequoia ?
Pom zoo:
Vim li cas cov pa roj carbon monoxide tseem ceeb heev hauv cov tshuaj chemical?
Cov khoom ntawm carbon ua rau nws lub caj qaum ntawm cov organic molecules uas tsim muaj sia nyob. Cov pa roj carbon monoxide yog ib qho khoom siv ntau yam vim tias nws tuaj yeem tsim plaub cov ntawv cog lus. Organic molecules tseem ceeb rau lub neej muaj xws li cov monomers me me nrog rau cov polymers loj
Vim li cas thiaj tseem ceeb heev rau cov neeg nyob hauv thaj chaw los kawm txog cov pejxeem ntawm ib lub tebchaws?
Vim cov pej xeem muaj kev cuam tshuam loj heev rau peb lub neej, nws yog ib feem tseem ceeb ntawm thaj chaw.Geographers uas kawm tib neeg cov pej xeem tshwj xeeb tshaj yog nyiam cov qauv uas tshwm sim dhau sijhawm. Lawv kawm cov ntaub ntawv xws li muaj pes tsawg tus neeg nyob hauv ib cheeb tsam, yog vim li cas tib neeg nyob qhov twg lawv ua, thiab cov pej xeem hloov pauv li cas
Yuav ua li cas yog vim li cas tus qauv ntawm ib qho enzyme tseem ceeb heev rau nws txoj haujlwm hauv cov khoom muaj sia?
Enzymes ua kom cov tshuaj tiv thaiv uas tshwm sim hauv cov hlwb. Qhov kev ua haujlwm no cuam tshuam ncaj qha rau lawv cov qauv, nrog rau txhua qhov enzyme tau tshwj xeeb zoo li tus ua kom muaj zog rau ib qho tshuaj tiv thaiv. Kev poob ntawm cov qauv ua rau poob haujlwm. - Kub, pH, thiab kev tswj cov molecules tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov enzymes
Vim li cas nws tseem ceeb heev uas yuav tsum xav txog ntau yam thaum txiav txim siab cov hauv paus hniav ntawm cov kab zauv polynomial?
Piv txwv li, tus naj npawb ntawm lub sij hawm ib tug muab polynomial sib npaug muaj ib lub hauv paus ntawm ib tug muab point yog lub multiplicity ntawm lub hauv paus. Qhov kev xav ntawm ntau qhov tseem ceeb yog qhov tseem ceeb kom suav tau kom raug yam tsis muaj kev qhia tshwj xeeb (piv txwv li, ob lub hauv paus suav ob zaug). Li no cov lus qhia, ' suav nrog ntau ntau'
Vim li cas cov ntoo liab ntoo tseem ceeb heev?
Redwoods ua kom huab cua zoo rau peb txhua tus. Cov hav zoov redwood hauv zos yog qhov tseem ceeb hauv kev muab kev nyab xeeb, ruaj khov. Vim tias California lub ntug dej hiav txwv redwood hav zoov muaj txiaj ntsig zoo ntawm kev ntes thiab hloov cov pa roj carbon monoxide, kev tiv thaiv lawv tuaj yeem cuam tshuam loj rau kev hloov pauv huab cua hauv ntiaj teb qeeb