Sound Vibrations with Frequencies Less Than 20 Hz Are Called

question 83

Multiple Choice

Sound vibrations with frequencies less than 20 Hz are called

• A) infrasonics.
• B) ultrasonics.
• C) supersonics.
• D) infrared.
• E) megasonics.

---

Definitions:

Expired Administrative Supplies

Office or medical supplies that are no longer usable or effective because they have passed their expiration date.

Store Chemicals

The process or facility for safely keeping and managing chemicals, ensuring they are preserved correctly and pose no risks.

Store Narcotics

Safely securing opiate drugs to prevent misuse or theft, often in accordance with legal and professional guidelines.

Strong Acids

Highly corrosive acids that completely dissociate in water, characterized by a high hydrogen ion concentration.