What is a pearl and how is it made?

Does 37th Engineer Battalion have Sappers? Who was the 1st president to have ther son married in the White House? How long was the Cunsul in power for? What are some examples of old painting styles and how do they differ from modern techniques? What did Anne Sullivan's brother die from? What were the consequences of Word War 1 for the Ottoman Empire? Are belted earls the same as English Earls? When and where did baseball player Brad Hand play? How long was the lusitania? What is the flight time from Liverpool to Portugal? Someone else we would like to blame when there is no one but ourselves to blame? How did Geneva Conference cause the Vietnam war? What were the duties of Ptah? Jean-antonie watteau was a french rococo painter who was best known for painting? Who tough Benjamin Banneker how to read? Who was harmed the most when pioneers moved to Indiana? As part of the new deal the civilian conservation corps was meant to? What specific actions were taken in 1867 1895 and 1903 to protect the Latin American nations? What are some gods that are similar to Anubis? Which genaral had been a failure at everything but war?