A Moving Circular Mask That Opens to Reveal a Scene

question 40

Multiple Choice

A moving circular mask that opens to reveal a scene or that closes to conceal a scene is called

• A)an eye mask.
• B)a lens.
• C)a filter.
• D)an iris.

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Definitions:

Norepinephrine

A neurotransmitter and hormone important in the body's fight or flight response, affecting blood pressure and heart rate.

Emergency Situations

Scenarios or conditions that require immediate attention and action due to the potential risk to life, health, property, or environment.

Thyroid

A gland located in the neck that produces hormones regulating the body's metabolic rate, heart and digestive function, muscle control, brain development, and maintenance of bones.

Abdomen

The part of the body containing the digestive organs, in humans located between the chest and the pelvis.