2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Begonias yog cov neeg hauv paus txawm rau tropical thiab subtropical regions; tsis muaj hom neeg nyob hauv teb chaws Meskas. Lawv tshwm sim feem ntau hauv Central thiab South America, Asia, thiab sub-Saharan Africa. Qhov chaw nyob ntawm ntau yam begonias yog noo, hav zoov txias thiab hav zoov hav zoov, tab sis qee qhov begonias tau yoog rau huab cua qhuav.
YLub hauv paus chiv keeb ntawm Begonia yog dab tsi?
Ntau tus neeg xav tias Begonia tuaj ntawm Brazil thaum nws pom muaj nyob rau xyoo 1690. Tom qab cov ntaub ntawv pom tau tias cov paj tau pom hauv Mexico txawm tias thaum ntxov xyoo thiab nws yog. siv los ntawm cov neeg Suav thaum ntxov xyoo pua 14th, tib neeg paub tias lub paj no tuaj ntev.
Puas yog Begonia hauv paus txawm rau South Africa?
Nyob rau teb chaws Africa sab qab teb muaj ib genus, Begonia, nrog tsib hom hauv paus txawm: Begonia dregei, B. homonyma, B. geranioides, B. sonderiana thiab B.
Leej twg pom Begonia?
Charles Plumier, Fabkis tus kws kho tsiaj, paub txog nws qhov kev tshawb pom ntawm Begonia. Plumier hu ua Begonias tom qab Michel Begon, tus tswv xeev ntawm lub xyoo pua 18th ntawm Fab Kis thaj tsam ntawm Santo Domingo (hnub no hu ua Dominican Republic).
YPuas yog Begonia hauv tsev neeg orchid?
Begonia suav nrog tag nrho cov tsiaj hauv tsev neeg rho tawm ib qho; Nws tshwm sim thoob plaws hauv tsev neeg ntau yam…… Begonias, gloxinias, African violets, chrysanthemums, orchids, roses, coleuses, thiab ntau yam…
Pom zoo:
Qhov khoom nyob rau pem hauv ntej ntawm lub lens diverging nyob qhov twg?
Teb: Dav hlau daim iav Dav Hlau Daim iav Rau lub teeb rays tawm lub dav hlau daim iav, lub lub kaum sab xis ntawm kev xav sib npaug ntawm lub kaum sab xis ntawm qhov xwm txheej. … Daim duab tsim los ntawm daim iav dav hlau yog ib txwm virtual (lub ntsiab lus tias lub teeb rays tsis yog los ntawm daim duab), upright, thiab ntawm tib lub duab thiab loj npaum li cov khoom nws yog reflecting.
Qhov chaw ncig tebchaws nyob hauv bhagalpur nyob qhov twg?
Bhagalpur faib lub zos yog ib pawg tswj hwm thaj chaw ntawm Bihar xeev ntawm Is Nrias teb, nrog Bhagalpur ua thawj coj hauv paus chaw haujlwm. Raws li xyoo 2005, qhov kev faib muaj xws li Bhagalpur koog tsev kawm ntawv, thiab Banka koog tsev kawm ntawv thiab nyob rau ntawm ntug dej ntawm Ganga River.
Kev tsis ncaj ncees nyob qhov twg yog qhov hem rau kev ncaj ncees nyob txhua qhov chaw?
Martin Luther King tau hais tias: “Kev tsis ncaj ncees nyob txhua qhov chaw yog kev hem thawj rau kev ncaj ncees nyob txhua qhov chaw. Peb raug ntes nyob rau hauv ib tug inescapable network ntawm kev sib nrig sib pab, khi nyob rau hauv ib lub tsoos tsho ntawm txoj hmoo.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.