He is considered as the first European to describe a mixture containing the essential ingredient of gun powder.
A. Elisha King Root
B. Berthold Schwartz
C. Roger Bacon
D. Benjamin Robins
Answer:C
He is considered as the first European to describe a mixture containing the essential ingredient of gun powder.
A. Elisha King Root B. Berthold Schwartz C. Roger Bacon D. Benjamin Robins