Answer:
Because food that has been left out could be exposed to bacteria or get dried out, in the fridge it stays cooler and more fresh
Because food kept at room temperature is somewhat exposed to air, and sometimes, the air can contain dangerous chemicals that were perhaps accidentally released, whereas food in the refrigerator doesn't apply to that problem.
Explanation:
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Insulin regulates blood glucose levels
the anser is defority
I believe the correct answer is A.