In 2006,Pluto's Status Was Changed from a Classical Planet to a Dwarf

question 32

Multiple Choice

In 2006,Pluto's status was changed from a classical planet to a dwarf planet primarily because of its

• A) lack of an atmosphere.
• B) small size.
• C) large distance.
• D) ice-covered surface.

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Definitions:

Standing Ability

The capability of an individual to maintain an upright posture without assistance.

Swimming Speed

The rate at which an individual or object moves through water.

Cardiovascular System

The system in the body that circulates blood and lymph through the heart, arteries, veins, and capillaries, delivering oxygen and nutrients to organs and tissues and carrying away waste products.

Red Blood Cells

The cells in the blood that carry oxygen to the body's tissues and remove carbon dioxide.