Ultra Violet rays or UV's cause the skin to burn in the sun.
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.
Hearing
listening
comprehension
rebuttal
And repeat
