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Which one of the following types of T cells is a critical component of the immune system because it stimulates and enhances the activity of other components of the immune system?
Nonhazardous Ones
Items or substances that do not pose a significant risk to health, safety, or the environment when used or disposed of properly.
Pure Resins
Highly purified substances produced by plants that are valued for their chemical properties and used in a variety of applications, including as adhesives, varnishes, and incense.
Recycled
The process of converting waste materials into new materials and objects, aiming to reduce use of raw materials, energy consumption, and environmental impact.
Plastic Products
Items manufactured from plastic, a synthetic material made from a wide range of organic polymers, that can be molded into shape while soft and then set into a rigid or slightly elastic form.
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