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Answer:
Physical contamination occurs when physical objects find their way into foods. These could include dirt, hair, bandages, metal shavings, glass, jewelry, etc. Natural objects, such as fish bones, are also considered physical contaminants.
Explanation:
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Shards of metal are examples of physical contamination.
Pollution is a term to refer to the situation in which a new element or substance enters (in high concentrations) a specific environment that alters the balance of the ecosystem. Pollution has several types such as:
- Physical contamination: Produced when an object is physically breaking into an ecosystem in which it should not be naturally.
- Chemical contamination: Produced when a chemical reaction occurs that modifies the compounds producing harmful reactions.
- Biological contamination: Produced by the presence of biological organisms that can affect normality in any ecosystem.
According to the above, metal fragments are an example of physical contamination because they are fragments of a material that is not normally found on the surface of the earth, but below it as a mineral.
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