Sigma-T Is the Oceanographers Short-Hand for the Density of Seawater

question 53

Multiple Choice

Sigma-t is the oceanographers short-hand for the density of seawater. It is defined as (density − 1.0) × . If the density of seawater is 1.02925 g/cm³, the sigma-t value is

• A) 25.29.
• B) 2.9925.
• C) 0.2925.
• D) 29.25.
• E) 0.02529.

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Definitions:

Indifferent

Showing no particular interest or sympathy; apathetic or uninvolved emotionally.

Somatic Nervous System

A component of the peripheral nervous system that controls voluntary movements of the body through its control of skeletal muscles.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for physical and mental activity by accelerating heart rate, constricting blood vessels, and raising blood pressure.

Motor Nervous System

Part of the nervous system responsible for controlling voluntary muscle movements in the body.