The Life Expectancy of People with Down Syndrome Is Approximately

question 263

Multiple Choice

The life expectancy of people with Down syndrome is approximately ______ years.

• A) 9
• B) 29
• C) 49
• D) 69

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Definitions:

Energy Level

A specific quantized state of energy that an electron in an atom can have.

Electrons

Subatomic particles with a negative electric charge, found in all atoms and acting as the primary carrier of electricity in solids.

Second Shell

Refers to the second energy level or electron shell of an atom, which can hold up to eight electrons.

Electrons

Negatively charged particles present in all atoms that serve as the main conduits for electrical current in solid materials.