Go and click to 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 with his/her username and DP ( display picture ).
Answer:
she believe in other gods
I believe it's quadratic, as quadratic matches the second time while linear matches the first time you find the differences.
Answer:
Julius and Ethel Rosenberg
Explanation:
Julius and Ethel were married in 1939. They were member of the communist party. Ethels brother worked on the Manhattan Project and provided them with information. The Rosenbergs in turn gave that information to Harry Gold.
Julius & Ethel were the first american non military who were every put to death for being spys