Answer:
Go and click on the invitation bar and you can find an option written as " search friends ". Then it's easy to find that unknown user if you're pretty fond of his/her username and DP ( display picture ).
Explanation:
i asked a friend and we came up with this answer i don't know if it's right I've never tried to look up someone so try it out and see if it works if not ill try again
Answer: D. a very low body temperature
Explanation: The first sentence describes hypothermia as prolonged exposure to cold, so logically your body temperature would be very low.
