Final answer:
Foodborne illness can result from pathogens or toxins in contaminated food or water. Common germs causing foodborne illnesses include Norovirus, Salmonella, Clostridium perfringens, and Campylobacter. Agrochemicals like pesticides and environmental contaminants like industrial pollutants can also contaminate food.
Step-by-step explanation:
Foodborne illness refers to infections or intoxications that originate with pathogens or toxins ingested in contaminated food or water. The top four germs that cause foodborne illnesses are Norovirus, Salmonella, Clostridium perfringens, and Campylobacter. Chemical contaminants can also contaminate food, with two major categories being agrochemicals (such as pesticides) and environmental contaminants (such as industrial pollutants).