Below Is Given the Plot of a Vector Field $\mathbf { F }$

question 20

Multiple Choice

Below is given the plot of a vector field $\mathbf { F }$ in the $x y$ -plane. (The $z$ -component of $\mathbf { F }$ is 0 .) By studying the plot, determine whether $\operatorname { div } \mathbf { F }$ is positive, negative, or zero.

• A) zero
• B) cannot be determined
• C) negative
• D) positive

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Definitions:

Sensory and Motor Nerves

Nerves that are responsible for transmitting sensory information to the brain and spinal cord, and for conveying motor commands to muscles.

Adrenal Glands

Small glands located on top of each kidney that produce hormones such as adrenaline and cortisol, which help control heart rate, blood pressure, and other important bodily functions.

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and a key component in the body's stress response system.

Melatonin

A hormone produced by the pineal gland that helps regulate sleep-wake cycles.