3 forms of food contamination *complete*
There are basically three forms of food contamination.
One is chemical:
These are things like cleaning solutions, food additives, pesticides, galvanized metal residues etc.
Another is Biological:
These are bacterias, viruses, parasites and molds.
Hair, glass, metal shavings, dirt etc.
The question is: Which of these poses the greatest threat to food safety?