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Some people say the deaths were just a　 　.Others believe that they were in connection with a mummy’s curse.Still others believe that there is a 　 　 explanation.Inside the tombs,there are many viruses.When people 　 　 in the 　 　 viruses,they might fall ill or even die.　 is certain,though,is 　 　 ‘the curse of the mummy’ remains a riddle to this day. 

coincidence　

scientific　

breathe　

disturbed　

What　

that