Answer: By taking precautions when you prepare food, you can stop the spread of dangerous bacteria.
Explanation: The last option may seem fitting for the topic sentence, but these details are mainly about the steps people should take when handling raw meats, seafood, and poultry. Therefore, the second option fits best.
A line of reasoning that presents the opposite side of the author's argument is called (I believe) a counterargument. It states exactly the different thing from what you have first stated.
Humidity
Age of bread?
Type of storage container
Type of bread
Before she ate her icecream, she grabbed a spoon. Hope this helped! (: