the correct answer is c I believe
Parents are advised to space out the introduction of a new foods to infants in order to identify any potential allergens, the parts of foods that cause allergies. Allergens are substance often eaten or inhaled that are recognized by the immune system and causes an allergic reaction. The most common allergens are dust, pollen, and pet dander. The most common food allergens in this case are milk, eggs, peanuts, tree nuts, fish, shellfish, wheat, and soy.
<span>A study of biology will help inform you about your lifestyle choices, because it will lead you to better understand the ways in which your choices about what you eat and how much you exercise actually affect the internal processes in your body and the drastic effect that you can have on them.</span>
Hybrid cars, efficient transportation, and fuel cells