"can anyone predict their appearance" - more to 1. It is not possible to predict exactly when, where exactly and what precisely figures in the fields appear. Instead, it is also possible to predict many phenomena inseparably accompanying, the discovery of patterns that will precede, accompany and follow.
"Je, mtu yeyote kutabiri muonekano wao" - zaidi ya kwanza Si inawezekana kutabiri hasa Wakati, ambapo hasa na usahihi ni nini takwimu katika nyanja Onekana. Badala yake, ni pia Uwezekano wa kutabiri matukio mengi husishwa Kompletterande, ugunduzi wa mifumo Hiyo kutanguliza, kuongozana na kufuata.