What Does the Tendency of Micas to Produce Thin Cleavage

question 54

Multiple Choice

What does the tendency of micas to produce thin cleavage flakes suggest about its crystal structure?

• A) The structure is characterized by rings that form an interlocking network, forming planar sheets.
• B) The crystal structure is characterized by complex polymerized mats that form a sheetlike structure.
• C) The structure is produced by flow in the igneous rock, aligning glass layers within the crystal structure.
• D) The atoms are arranged in orderly arrangements that form strongly bonded sheets separated by weak bonds between the sheets.

---

Definitions:

Cochlea

A spiral-shaped, fluid-filled inner ear structure vital for hearing, as it transforms sound into nerve impulses.

Cochlear Implant

A medical device that bypasses damaged structures in the ear and directly stimulates the auditory nerve to provide a sense of sound to a person who is profoundly deaf or severely hard of hearing.

Sensorineural Hearing Loss

A type of hearing loss resulting from damage to the inner ear (cochlea) or to the nerve pathways from the inner ear to the brain.

Conduction Hearing Loss

Occurs when there is a problem conducting sound waves anywhere along the route through the outer ear, tympanic membrane (eardrum), or middle ear, leading to a reduction in hearing.