Figure 7.1 a Suspension of 106 Bacillus Cereus Endospores Was

Multiple Choice

Figure 7.1
A suspension of 106 Bacillus cereus endospores was put in a hot-air oven at 170°C. Plate counts were used to determine the number of endospores surviving at the time intervals shown.
-In Figure 7.1, what is the thermal death time?

A) 100°C
B) 120 minutes
C) 60 minutes
D) 150°C
E) The answer cannot be determined based on the information provided.