On a Spaceship Designed to Support a Multiyear Voyage to the Outer

question 35

Multiple Choice

On a spaceship designed to support a multiyear voyage to the outer planets of the solar system, plants will be grown to provide oxygen and to recycle carbon dioxide. Because the spaceship will be so far from the sun, an artificial light source will be needed to support photosynthesis. Which of the following wavelengths of light should be used to maximize plant growth?

• A) a mixture of yellow and orange light
• B) green light
• C) a mixture of blue and red light
• D) ultraviolet light

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Definitions:

Unlicensed Assistive Personnel

Health care workers who provide nursing care under supervision but are not licensed to practice independently.

Self-Harm

The act of deliberately hurting oneself, often as a way of coping with distressing thoughts or feelings.

Dissociative Identity Disorder

A severe form of dissociation, a mental process that produces a lack of connection in a person's thoughts, memory, and sense of identity, formerly known as multiple personality disorder.

Flashbacks

Sudden and intense memories of past experiences, often traumatic, that involuntarily come to mind, causing distress or impairing daily life.