What role does the seagrass play in the food chain?

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

"d.) carbon dioxide and hydrogen sulfide"

carbon atoms, hydrogen, oxygen, and nitrogen.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,