Which igneous rock was used by Native Americans to produce arrowheads?
A)granite
B)ophiolite
C)basalt
D)obsidian

Name: Which igneous rock was used by Native Americans to produce arrowheads? A)granite B)ophiolite C)basalt D)obsidian
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Obsidian, a naturally occurring volcanic glass, was commonly used by Native Americans to produce sharp and effective arrowheads due to its conchoidal fracture and ability to be worked into very sharp edges.

Which Igneous Rock Was Used by Native Americans to Produce