What Compound in Limestone and Marble Is Attacked by Acid

question 82

Multiple Choice

What compound in limestone and marble is attacked by acid rain?

• A)hydroxyapatite
• B)calcium carbonate
• C)gypsum
• D)graphite
• E)potassium hydroxide

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Definitions:

Pinna

The visible part of the ear that resides outside the head, which plays a role in capturing sound waves and funneling them into the ear canal.

Earlobe

The soft, fleshy part of the lower portion of the external ear, which varies widely in shape and size across individuals.

Tympanic Membrane

A thin, cone-shaped membrane that separates the external ear from the middle ear and vibrates in response to sound waves.

Oval Window

A membrane-covered opening that leads from the middle ear to the inner ear, playing a key role in the process of hearing.