Fact 1: Bacteria cause food to spoil.

Fact 2: Bacteria thrive in higher temperatures.

Given the two facts above, answer the question "What can cause food to spoil?" with the following options: 
- single-celled organisms
 - Salting
 - Higher temperatures
 - Canning
 - sea squirts
 - a pathogens
 - Refrigeration
 - harmful substances


 

   Higher temperatures      