What Is Unique About Pluto's Orbit

question 47

Multiple Choice

What is unique about Pluto's orbit?

• A) high eccentricity
• B) its length shifts over time
• C) the longest orbital period
• D) eccentricity is zero
• E) overlaps the orbit of Uranus

---

Definitions:

Insulation

Materials or substances used to prevent the transfer of heat, electricity, or sound from one area to another.

Lipids

A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, and others, serving as a major energy source and structural components of cells.

Glycogen

A multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.

Carbohydrates

Organic compounds made up of carbon, hydrogen, and oxygen atoms, serving as a major energy source for the body.