from who did roman empires learn to make gun powder?
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1
Explanation:
The Greeks and Romans knew all the ingredients of gunpowder: sulphur, charcoal, and saltpeter, or potassium nitrate. Sulphur is a kind of rock that occurs naturally. Charcoal everyone in Afro-Eurasia made by burning wood very slowly.
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3
Answer:
islamic and Turkish invaders
Explanation:
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