The "Horns" of the Crescent Moon Point

question 26

Multiple Choice

The "horns" of the crescent moon point

• A) always away from the Sun.
• B) in random directions.
• C) down toward Earth.
• D) always away from Earth.

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Definitions:

Inspiration

Act of taking air into the lungs; inhalation.

Gases Exchange

The process of oxygen and carbon dioxide moving between the bloodstream and the lungs in animals, and the atmosphere and cells in plants.

Diffusion

The process by which molecules spread from areas of high concentration to areas of low concentration, often leading to equilibrium.

Osmosis

The process by which molecules of a solvent pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.