A Typical Planetary Nebula Will Be Visible for About

question 19

Multiple Choice

A typical planetary nebula will be visible for about

• A) 50 years.
• B) 500 years.
• C) 50,000 years.
• D) 5,000,000 years.
• E) 5 billion years.

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Definitions:

Lungs

Organs located in the chest on either side of the heart that enable the respiration process by exchanging oxygen and carbon dioxide.

Airway Obstruction

A blockage in any part of the airway that impedes normal breathing, potentially life-threatening if not promptly treated.

Growth And Development

The process of physical, cognitive, and socioemotional changes that humans undergo from birth through old age.

Infants

Very young children, typically those under one year of age.