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Find the x-coordinate of the vertex of a graph of the quadratic function
Obsidian/Glass
A natural volcanic glass formed from the rapid cooling of acidic lava, known for its conchoidal fracture and sharp edges.
Ash
Fine particles of volcanic rock and glass created during volcanic explosions, which can be carried long distances by the wind.
Explosive Eruptions
Volcanic eruptions characterized by the violent expulsion of gases, lava, and rock fragments from a volcano.
Nonexplosive Eruptions
Volcanic eruptions characterized by the effusive emission of lava flows with minimal airborne ash and fragmental material.
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