An Equinox Has the Property of

question 67

Multiple Choice

An equinox has the property of

• A) 12 hours of daylight and 12 hours of night at all latitudes.
• B) the Sun at the same angle at all latitudes.
• C) the vertical rays of the Sun at the Tropic of Cancer.
• D) total darkness north of the Arctic Circle.
• E) 24 hours of darkness at the Equator.

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Definitions:

Greenstick Fracture

A type of bone fracture, primarily occurring in children, where the bone bends and cracks instead of breaking completely.

Children

Young human beings typically defined as those who have not yet reached puberty.

Parathyroid Hormone (PTH)

Peptide hormone produced by the parathyroid gland; increases bone breakdown and blood calcium levels.

Vitamin D Formation

The synthesis of vitamin D in the skin under the influence of ultraviolet radiation from sunlight, important for calcium absorption and bone health.