Ancient Volcanic Eruptions in the Caribbean Region Are Recorded in Cores

question 33

Multiple Choice

Ancient volcanic eruptions in the Caribbean region are recorded in cores of deep- sea muds as:

• A) tephra layers.
• B) disappearance of marine fossils above a certain level.
• C) dust layers of fine clastic sediments.
• D) coarse, ice- rafted debris.

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Definitions:

Cuneiform

Relating to the wedge-shaped bones or in the context of ancient writing systems, specifically an early system of writing with wedge-shaped marks.

Concussion

A type of traumatic brain injury caused by a blow to the head or body, a fall, or another injury that jars or shakes the brain inside the skull.

Temporal Bone

A bone of the skull, located at the sides and base of the skull, and housing the structures of the ears.

Tarsal Bone

One of seven ankle bones.