<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu The Cromerian Complex muEurope yakakamurwa kuva 3 glacial periods uye 4 interglacial periods.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti Cromerian Complex muEurope ikozvino yakakamurwa kuva 3 nguva dzechando uye 4 nguva dzepakati, izvo zvakaenzana neMarine Isotope nhanho 13 kusvika ku21. 