What Phase of Mining Generally Causes the Least Environmental Degradation

question 1

Multiple Choice

What phase of mining generally causes the least environmental degradation?

• A)exploration and testing
• B)extraction
• C)processing
• D)reclamation

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Definitions:

Tympanometry

A diagnostic test that measures the movement of the eardrum in response to changes in air pressure, indicating middle ear function.

Otoscopy

A visual examination of the ear canal and eardrum using an otoscope.

Tympanic Membrane

The medical term for the eardrum, a thin membrane that divides the outer ear from the middle ear and vibrates in response to sound waves.

External Ear

The outer portion of the ear, consisting of the auricle and the ear canal.