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Which of the following polymers is used in plastic food bags and wraps?
Development
The pattern of continuity and change in human capabilities that occurs throughout life, involving both growth and decline.
Respiratory System
The biological system of organs involved in the intake of oxygen and expulsion of carbon dioxide, primarily consisting of the lungs and airways.
Head Injury
Trauma to the skull, brain, or scalp, which can range from a mild bump or bruise to a significant brain injury.
Phobia
An intense, irrational fear of a specific object, situation, or activity that provokes anxiety and avoidance behavior.
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