Twelve Hours of Daytime and Twelve Hours of Nighttime Occur

question 182

Multiple Choice

Twelve hours of daytime and twelve hours of nighttime occur at every location on Earth whenever the Sun reaches the

• A) north or south celestial pole.
• B) celestial prime meridian.
• C) vernal or autumnal equinox.
• D) ecliptic.

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Definitions:

Lucidum

A thin, translucent layer of the epidermis located beneath the stratum corneum, primarily found in the palms of the hands and soles of the feet.

Granulosum

The granular layer of the epidermis, characterized by keratinocytes that contribute to the skin's barrier function.

Papillary Layer

The uppermost layer of the dermis, directly beneath the epidermis, containing capillaries and tactile receptors.

Areolar Tissue

A type of loose connective tissue that provides support and cushioning to surrounding tissues and organs.