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Identify the surface with equation
Nitrogen Gas
A diatomic gas that is colorless, odorless, and makes up about 78% of the Earth's atmosphere, used by certain bacteria to produce usable forms of nitrogen for plants.
Sea Level
The average height of the sea's surface between high and low tide, used as a base reference for measuring elevation and depth on Earth.
Vocal Cords
Tissue bands in the larynx that vibrate to produce sound when air is expelled from the lungs.
Larynx
The voice box located in the throat, involved in breathing, producing sound, and protecting the trachea against food aspiration.
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