Final answer:
Food allergens are biological hazards and this statement is true. Common food allergies include nuts, eggs, grains, and milk. Symptoms can range from itching and swelling to trouble breathing and anaphylaxis.
Step-by-step explanation:
Food allergens are biological hazards and this statement is true. Food allergies occur when the immune system reacts to substances in food as though they were harmful. Common food allergies include nuts, eggs, grains, and milk. Symptoms of food allergies can range from itching and swelling of the lips and mouth to more serious reactions such as trouble breathing and anaphylaxis.