'Lub hiav txwv zoo li xiav vim liab, txiv kab ntxwv thiab daj (ntev wavelength teeb) yog absorbed ntau zog los ntawm dej tshaj yog xiav (luv wavelength light). Yog li thaum lub teeb dawb ntawm lub hnub nkag mus rau hauv dej hiav txwv, nws feem ntau yog xiav uas tau rov qab los. Ib yam li ntawd, lub ntuj xiav.'
Lub Tsev Haujlwm Saib Xyuas Kev Ruaj Ntseg Hauv Tebchaws Meskas tau rhuav tshem lub ntiaj teb daim ntawv qhia ua yim thaj chaw sib txawv: Africa, Asia, Caribbean, Central America, Europe, NorthAmerica, Oceania thiab South America. Txhua cheeb tsam no muaj qhov sib txawv ntawm biomes thiab thaj chaw tshwj xeeb
Txawm hais tias nws lub npe, lub zog hluav taws xob tsis yog lub zog tiag tiag. Nws yog feem ntau ntsuas nyob rau hauv units ntawm volts, sib npaug hauv meter-kilogram-thib system rau ib joule ib coulomb ntawm hluav taws xob nqi
No. ntawm noob: 63 (CCDS)
Qhov chaw nyob hauv qab qhov nrawm / lub sijhawm nkhaus yog tag nrho cov kev hloov pauv. Yog tias koj faib qhov ntawd los ntawm kev hloov pauv hauv lub sijhawm, koj yuav tau txais qhov nruab nrab tshaj tawm. Velocity yog vector daim ntawv ntawm kev ceev. Yog tias qhov nrawm ib txwm tsis yog qhov tsis zoo, ces qhov nruab nrab tshaj tawm thiab qhov nruab nrab ceev yog tib yam
Dej hiav txwv Floor Sediments. Muaj peb hom dej hiav txwv pem teb: terrigenous, pelagic, thiab hydrogenous. Terrigenous sediment yog muab los ntawm thaj av thiab feem ntau tso rau ntawm cov txee sab av loj, sab av loj nce, thiab qhov tob tob tob. Nws yog ntxiv contoured los ntawm muaj zog tam sim no nyob rau hauv lub continental nce
Lub zuag qhia tag nrho cov tshuaj tiv thaiv ntawm cellular respiration converts ib rau-carbon molecule ntawm qabzib thiab rau molecules ntawm oxygen mus rau hauv rau molecules ntawm carbon dioxide thiab rau molecules dej. Yog li cov pa roj carbon monoxide hauv cov piam thaj ua oxidized, thiab cov pa oxygen txo qis
Lub weeping willow yog tsob ntoo loj hlob sai, uas txhais tau hais tias nws muaj peev xwm ntxiv 24 ntiv tes lossis ntau dua rau nws qhov siab hauv ib lub caij loj hlob. Nws loj hlob mus rau qhov siab tshaj plaws ntawm 30 mus rau 50 ko taw nrog qhov sib npaug sib npaug, muab nws ib puag ncig, thiab tuaj yeem ncav cuag kev loj hlob sai li 15 xyoo
Ib tug xov tooj system yog txhais raws li ib tug system ntawm kev sau ntawv qhia cov zauv. Nws yog lej cim rau sawv cev ntawm tus lej ntawm cov txheej txheem los ntawm kev siv tus lej lossis lwm cov cim hauv ib qho kev sib raug zoo
Nroj tsuag loj hlob nyob rau hauv txawv xim ntawm lub teeb. Raws li tau hais, cov nroj tsuag loj hlob zoo tshaj plaws nyob rau hauv ib qho kev sib xyaw ntawm lub teeb liab thiab xiav. Qhov zoo tagnrho piv yog nyob ib ncig ntawm 5: 1 liab rau xiav. Tab sis nws txawv, nyob ntawm seb cov nroj tsuag thiab theem ntawm kev loj hlob