Contaminants in food is caused by both natural and human artifacts. Take the contamination caused by the natural substance that is non-toxic, and cause diseases to people.
Contaminants in food The act is caused by both natural and manmade. Contaminants resulting from the nature. A substance that is harmless to people and cause disease.
Contaminants in food. The actions resulting from both natural and man made. The cabin contamination caused by nature. A substance that is non-toxic and cause disease to the people.