The Polarity of Sunspot Magnetic Fields

question 17

Multiple Choice

The polarity of sunspot magnetic fields:

• A)reverses every 22 years.
• B)reverses every 11 years.
• C)is consistent for all sunspots in the same hemisphere.
• D)is unrelated between different sunspots.
• E)changes the color of sunspots.

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Definitions:

C Fibers

Small-diameter nerve fibers that provide information concerning slow, diffuse, lingering pain.

Unmyelinated

Referring to nerve fibers that lack a myelin sheath, which often results in slower signal transmission compared to myelinated fibers.

Myelinated Afferent

Nerve fibers with a myelin sheath that conduct sensory signals to the central nervous system, often related to proprioception and touch.

A Fibers

Myelinated nerve fibers in the nervous system that are responsible for transmitting sharp, acute pain sensations and other information.