B <span>when a person is on life support and doctors decide to stop life support
</span>
Answer:
2 hours
Explanation:
There is a 2 Hour Rule: toss any perishable food (the kind that can spoil or become contaminated by bacteria if left unrefrigerated) that has been left out at room temperature for more than two hours. When the environmental temperature is above 90° F (32° C), throw out the food after one hour.
Polio destroys motor neurons specifically. The question came with no "Which of these options"