You are presented with the quiz "A refrigerator is used for inhibiting the growth of what on food?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "arefrigerator is used for keeping food fresh for a long period of time" and "cold temperatures keep food fresh and inhibit the growth of most bacteria". 

So, what's the best answer to the question?


 

      most bacteria     