Question

what is a type of contaminant that can cause foodborne illness?
chemical preservatives
organic ingredients
cholesterol
parasites

Explanation:

Parasites can contaminate food and cause food - borne illness when ingested. Chemical preservatives in proper amounts are not contaminants causing illness, organic ingredients are normal components, and cholesterol is a normal biological compound not a contaminant causing food - borne illness.

Answer:

D. parasites