If the Plane of the Earth's Equator Were Not Tilted

question 69

Multiple Choice

If the plane of the Earth's equator were not tilted with respect to the ecliptic plane,

• A)the daylight period of Earth would be the same year-round.
• B)there would be no seasonal changes.
• C)Earth's poles would not experience six-month-long nights.
• D)All of the above.

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Definitions:

Ambiguous Visual Cliff

A psychological experiment setup to investigate depth perception and fear of falling in infants.

Emotion

A complex psychological state that involves an individual's subjective experience, physiological response, and behavioral or expressive response.

Therapeutic Hormone

Hormones used in medical treatment to replace, regulate, or augment naturally occurring hormones in the body.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles and is influenced by light exposure.