What causes food to spoil?
contamination influenza coliforms toxins disease Dehydration Pollution Pesticides
A B C D E F G H
Water can be tested for coliform and fecal coliform bacteria.
coliforms cause food to spoil
What causes food to spoil? (A) contamination (B) influenza (C) coliforms (D) toxins (E) disease (F) Dehydration (G) Pollution (H) Pesticides