Question

excerpt from \holiday food safety tips\ blog
by the centers for disease control
holiday meals can be memorable, but it takes more than a great recipe to make those memories happy. learn how to prepare your meal safely so that your holiday isnt spent dealing with food poisoning. below is a list of common food safety mistakes and tips for preventing them.
scenario: after shopping to get ingredients for his holiday meal, roberto makes three more stops before he goes home.
science: harmful bacteria multiplies when frozen and perishable food is left unrefrigerated for over two hours, one hour if the temperature is 90 f or higher.
solution: make grocery shopping the last stop before heading home. place raw poultry, meat, and seafood in a separate bag to keep their juices from contaminating fruits and vegetables. if you wont be home for one to two hours, use a thermal bag or cooler to keep perishable foods at the proper temperature while transporting. learn more about safely transporting fruits and vegetables from the store to your table.
how does the science element of the blog excerpt from \holiday food safety tips\ explain perishable food can lead to food poisoning?
frozen and perishable food cause excessive weight gain if left unrefrigerated for over two hours.
frozen and perishable food develop harmful bacteria if left unrefrigerated for over two hours.
frozen and perishable food lead to tooth decay if left unrefrigerated for over two hours.

Explanation:

The blog excerpt from "Holiday Food Safety Tips" explains that perishable food can lead to food poisoning because harmful bacteria multiply when frozen and perishable food is left unrefrigerated for over two hours (one hour if the temperature is 90°F or higher). This is a scientific concept related to microbiology and food safety.

Answer:

Frozen and perishable food develop harmful bacteria if left unrefrigerated for over two hours.