Question

the big six and the temperature danger zone
germs can double
every 20 min or less
30 min
40min
1 hour

Explanation:

In the temperature danger - zone, certain types of germs can double in number every 20 minutes or less due to favorable growth conditions. This is a well - known fact in food safety and microbiology related to the rapid proliferation of microorganisms in a specific temperature range.

Answer:

Every 20 min or less