The newest later development of antibiotics instance penicillin and you may complex medical process raised so it number more 1200-1300: 43 decades 1300-1400: 24 decades 1400-1500: 48 years 1500-1550: 50 years 1550-1600: 47 years 1600-1650: 43 many years 1650-1700: 41…