Final answer:
Human-made polymers, or synthetic polymers, are artificially created materials made from chemical processes, consisting of repeating units called monomers. They differ from natural polymers found in nature. Common examples include polyethylene and nylon.
Explanation:
Understanding Human-Made Polymers
Human-made polymers, also known as synthetic polymers, are materials created through chemical processes and do not occur naturally. These polymers are made using monomers, which are small, repeating subunits, that are chemically bonded together to form large molecules, specifically macromolecules.
Examples of human-made polymers include:
- Polyethylene: Used in plastic bags and bottles.
- Nylon: A common fabric used in clothing and ropes.
- Polystyrene: Frequently used in foam packaging and disposable containers.
In contrast, natural polymers, such as proteins and cellulose, are found in nature and are not created through industrial processes. Thus, the correct option that describes human-made polymers is synthetic.
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