Hello!
2.Allergens cause an allergic reaction. T<span>heir immune system produces antibodies, that are triggered depending on what substance it is.
3.Asthma is classified as an allergy because substances may trigger asthma and sometimes they do not, just like how certain substances cause the allergies.
Hope this helped!</span>
The answer is Deoxyribose
B) Bb x Bb because to have blue eyes they need to get the trait from both parents
<span>A hillside where fires have destroyed the plants.</span>
