Final answer:
The contamination causing cuts or choking hazards in food is physical contamination, which is due to objects like metal shavings and bone fragments.
Step-by-step explanation:
The correct answer to the question regarding the type of contamination that can cause small cuts to possible choking is (a) Physical contamination. Physical contamination happens when actual objects contaminate the food. These can include metal shavings from cans, bone fragments, glass from broken jars, and any other physical particles that can cause harm upon ingestion. Unlike biological and chemical contaminants, physical contaminants do not multiply or spread within the food, but they are still hazardous to health.