Why Is the Term  "Arc" Used to Describe Units of Measure

question 3

Multiple Choice

Why is the term  "arc" used to describe units of measure for angular distance?

• A) To avoid confusion with the minutes and seconds of time
• B) To describe the arc-shaped distance between the stars
• C) To distinguish the base unit of 10 per degree
• D) To distinguish the difference between northern and southern spheres
• E) To describe the placement of the stars within each hemisphere

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Definitions:

Cranial Compression

The condition characterized by increased pressure inside the skull, which can affect brain function.

Sphenoidal

Relating to the sphenoid bone, a butterfly-shaped bone at the base of the skull that plays a key role in the structure of the cranial base.

Fetal Skull

The bony structure forming the head of the fetus, characterized by soft spots called fontanelles that allow for compression during birth.

Intramembranous Bones

Bones that develop directly within sheets of connective tissue, such as the skull's flat bones.