Increasing the Volume of the Voice Received and Reducing Other

question 2

Multiple Choice

Increasing the volume of the voice received and reducing other environmental sounds is achieved by the use of

• A) bone-anchored hearing aids.
• B) assistive listening devices.
• C) directional microphones.
• D) implanted hearing aids.

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Definitions:

pH

A numeric scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.

Strong Acids

Acids that completely dissociate into their ions in water, significantly increasing the concentration of hydrogen ions in a solution.

Reduced

Reduced typically refers to a chemical reaction in which atoms gain electrons, or in a broader sense, the diminishment in size, amount, or intensity of something.

Acid

Substances that release hydrogen ions (H+) when dissolved in water, characterized by their sour taste and the ability to turn litmus paper red.