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Hnub 5 Qhov Kev Hloov Kho Kev Nyab Xeeb yog dab tsi?
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Hnub 4 Qhov Kev hloov pauv huab cua yog dab tsi?
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Txhim kho cov kev ntsuas kev nyab xeeb: Qhov tseem ceeb ntawm Kev Tshawb Fawb Ntau Cov Hluav Taws Xob hauv ib puag ncig sab hauv
Ua kom muaj kev nyab xeeb thiab noj qab nyob zoo ib puag ncig yog qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv cov chaw kaw. Qhov no yog qhov uas nrhiav tau cov roj ntau hauv qhov chaw sab hauv tsev ua qhov tseem ceeb. Los ntawm kev soj ntsuam xyuas muaj ntau yam roj av, cov cuab yeej tshawb nrhiav qib siab no pab tiv thaiv cov xwm txheej txaus ntshai, muaj peev xwm kho tau ...Nyeem ntxiv -
Hnub 3 Kev hloov pauv huab cua yog dab tsi?
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Hnub 2 Kev hloov pauv huab cua yog dab tsi?
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Hnub 1 Qhov Kev Hloov Kho Kev Nyab Xeeb yog dab tsi?
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Hnub 2 Koj phau ntawv qhia txog kev nyab xeeb: Lub Tsev Zog
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Hnub 1 Koj phau ntawv qhia txog kev nyab xeeb: Lub Tsev Zog
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Kev kuaj xyuas carbon dioxide hauv tsev kawm ntawv
Raws li cov niam txiv, peb feem ntau txhawj xeeb txog kev nyab xeeb thiab kev noj qab haus huv ntawm peb cov menyuam, tshwj xeeb tshaj yog lawv tsev kawm ntawv ib puag ncig. Peb cia siab rau cov tsev kawm ntawv kom muaj chaw kawm nyab xeeb rau peb cov menyuam, tab sis peb puas paub txog txhua yam kev phom sij uas yuav nyob hauv cov tsev kawm ntawv no? Ib qho phom sij uas yog ...Nyeem ntxiv -
Thaum pib lub caij ntuj no
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Hnub 3 Tsib txoj hauv kev dhia-pib lub zog txuas ntxiv mus tam sim no
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Hnub 2 Tsib txoj hauv kev dhia-pib lub zog txuas ntxiv mus tam sim no
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