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A Fissure Is an Abnormal Passage from a Hollow Organ

question 161

True/False

A fissure is an abnormal passage from a hollow organ to the surface or from one organ to another.


Definitions:

Pyroclastic Material

Fragmented material ejected during volcanic eruptions, including ash, bomb, lapilli, and volcanic blocks, which varies in size, shape, and composition.

Mudflows

Rapid downhill movement of water-laden earth materials, primarily composed of fine-grained soils and clays, which can cause significant erosion and damage.

Pyroclastic Flow

A hot, fast-moving and deadly mixture of gases, ash, and volcanic material produced by explosive eruptions.

Scoria

A highly vesicular, dark colored volcanic rock that may or may not contain crystals, typically formed from the cooling of lava.

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