Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Sezvo mazaya echando akakura, mwero wegungwa wakaderera, uye makungwa makuru asina kudzika ari mukati-makondinendi eOrdovician akadzokera shure, izvo zvakagumisa nzvimbo dzakawanda dzezvakatipoteredza. Pavakadzoka, vakatakura nhamba yakaderera yevakatanga iyo yaishaya mhuri dzakawanda dzezvinhu zvipenyu. Zvadaro dzakabva dzadzokera shurezve pakatanga nguva yechando, dzichiparadza zvipenyu zvakasiyana-siyana nokuchinja kwega kwega kwaiitika. Mhando dzomugungwa rimwe chete raiva nemhenderekedzo yegungwa rakapoteredzwa nenyika dzakakanganiswa zvikuru. Mararamiro omunzvimbo dzinopisa akarohwa zvikuru murukova rwokutanga rwekutsakatika, nepo marudzi emvura inotonhorera akarohwa zvakanyanya murukova rwechipiri.  Mubvunzo: Chii chairwadza zvikuru?
Mhando dzinongogara mugungwa rimwe chete