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Dr. Frank Dobson, director of the Vanderbilt Bishop Joseph Johnson Black Cultura...
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) in 2008 by ROMANO-ARCHIVES. Editing by ROMANO-ARCHIVES. "SUBSCRIBING to this C...
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Description: Order now at www.stevespanglerscience.com This paper turns bright red when dipped in bases such as ammonia and washing soda, and turns back to its normal color when you dip it in acids such as vinegar or lemon juice.