Black-Sand Beaches Are Composed of Sand Derived from What

question 33

Multiple Choice

Black-sand beaches are composed of sand derived from what?

• A)volcanic rocks
• B)coral reefs
• C)quartz
• D)cobbles

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Definitions:

Middle Ear Infection

An acute or chronic inflammatory condition of the middle ear, typically caused by bacteria or viruses, and characterized by pain, possible hearing loss, and fluid accumulation.

Recruitment

In medicine, the term often relates to the process of engaging and enrolling individuals into clinical trials or studies; in a broader sense, it refers to the act of attracting and hiring individuals for specific roles or positions.

Loudly

Producing or capable of producing a high volume of sound; often used to describe speech, music, or other noises that are clearly audible.

Cerumen

A natural, waxy substance produced in the ear canal that protects the ear from dust, foreign particles, and microorganisms.