Although allergic reactions are triggered by allergens like pollen and fungi, the actual cause of the symptoms like mucous production and constricted airways is A) the body's immune response. B) the effect of medical treatment. C) the surrounding weather conditions. D) the clogging effect of the allergens. <span>Although allergic reactions are triggered by allergens like pollen and fungi, the actual cause of the symptoms like mucous production and constricted airways is
A)
the body's immune response.
B)
the effect of medical treatment.
C)
the surrounding weather conditions. </span>
This answer would be true, b/c it is not false. It's not false b/c coral reef ecosystems <em><u>DO</u></em> support over a million different species.
Answer:
Explanation:
why do you need the answer
Carbon dioxide is what humans exhale, giving trees carbon dioxide will produce oxygen
