QUESTION: answer this: when did american schools become gun free zones??

ANS: 1990


QUESTION: answer this: when did pretty little liars first come out??

ANS: June 8, 2010


QUESTION: answer this: who has played the most games for the geelong cats??

ANS: Corey Enright


QUESTION: answer this: the type of epithelial tissue that is two or more cell layers thick is called??

ANS:
stratified columnar epithelium