The Phase of the Moon on a Particular Night Is

question 57

Multiple Choice

The phase of the Moon on a particular night is determined by

• A)the season of the year.
• B)the speed of the Moon in is orbit.
• C)the relative positions of the Sun, Earth, and Moon.
• D)how the Earth's shadow hits the Moon.
• E)the distance from the Earth to the Moon.

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Definitions:

Ghrelin

A hormone produced mainly by the stomach that stimulates appetite and signals hunger to the brain.

Ghrelin

A hormone produced in the stomach that stimulates appetite, promoting the feeling of hunger before meals.

Leptin

A hormone produced by fat cells that helps to regulate body weight by inhibiting hunger and therefore reducing food intake.

Glucose

A simple sugar and a key source of energy for cells in the body, also the main sugar found in the bloodstream and used for metabolic processes.