One of Two Identical Twins Becomes an Astronaut, While the Other

question 28

Multiple Choice

One of two identical twins becomes an astronaut, while the other becomes a real estate broker. The astronaut embarks on high-speed space travel and is gone for several years. Upon the astronaut's return, the two twins reunite and compare their physical appearances. The result will be that

• A) the real estate broker has aged less.
• B) the astronaut has aged less.
• C) both have aged the same.

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Definitions:

Foot

A unit of measurement equal to 12 inches or 0.3048 meters, commonly used in the United States for length.

Axial Skeleton

The part of the skeleton that includes the bones of the head and trunk, such as the skull, spine, and rib cage.

Cranium

The part of the skull which encloses the brain, consisting of the frontal, parietal, temporal, occipital, sphenoid, and ethmoid bones.

Hyaline Cartilage

A type of tough, elastic cartilage that provides cushioning and support for body structures such as the ribs, nose, and trachea.