write a short summary and explain. how is it possible that siblings with the same parents can have such different traits such as skin tone?

b. the carbon cycle ensures living things have a source of hydrogen

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,

answer biotechnology;